Best Advanced Air Quality Detection System

GW Security 8 Channel Smart AI PoE NVR Ultra-HD 4K (3840x2160) Security Camera System with 4 x 4K (8MP) 2160P Face Recognition/Human/Vehicle Detection Waterproof Surveillance IP Dome Camera

  • Ultra High Definition 4K (3840×2160)FOUR TIMES the resolution of 1080P! 8 Channel H.265 4K NVR Security Camera System with (4) H.265 4K (8MP) @15FPS Weatherproof 3.6mm Wide Angle Microphone Audio & Video PoE IP Dome Cameras.
  • Face Recognition/Human/Vehicle Smart AI Detection – Our AI Camera’s built-in intelligent facial recognition and Human/Vehicle detection software automatically recognizes familiar faces or people or car to maximize security and eliminate false alarms. You’ll instantly know if unknown faces or persons or vehicle arrives on your property with advanced AI motion detection technology..
  • Advanced H.265 (and H.264) Video Encoding Supported: H.265 is faster, consumes 50% LESS data and has a reduced data footprint allowing you to store more video to your NVR while also preserving and improving upon superior video quality. Power over Ethernet setup is clean and simple with a single network cable. 100% True Plug-and-Play with built-P2P service and QR Code Scan..
  • View and Record in Widescreen with Remote Viewing on Computer, Phone and Tablet devices. Plug&Play setting up is so easy! Simply connect the ip Cameras to NVR and download the smartphone App and scan the NVR QR code, you are ready to being live viewing and recording..
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【2K 3.0MP & Dual Antennas for WiFi Enhanced 】 Wireless Security Camera System,6Pcs CCTV Home Wi-Fi IP Cameras,8 Channel 5.0MP NVR,OHWOAI HD Surveillance Video System,AI Detection,1TB HDD,Waterproof

  • "3.0MP HD & Real IP67 Weatherproof": Adopted 3.0MP high-tech optical lens, the security camera presents a higher 2048*1536 Mega Pixels super high definition frames than 1080P cameras.All-metal housing, IP67 waterproof, can be used in outdoor and indoor environment..
  • "AI Human Detection & Remote Access": With most advanced AI Human Detection technology,OHWOAI wireless security camera only detects human movement.It's more accurate than PIR or motion detection camera,avoiding 99% false alerts.System supports motion detected record & alarm and allows you to access it remotely from your phone,tablet or PC.When movement is detected,the system will send you email alert so you can see what's happening.It supports up to 3 people to view online simultaneously..
  • "Dual Antenna&Two-way Audio":This camera has dual antennas, and the signal transmission distance is doubled compared to ordinary cameras.It has a built in speaker and microphone.Built-in microphone, expandable 5W high-power speaker(sold separately),to achieve true two-way audio.It can record sounds within 10 meters.Two-way audio allows you to talk to others,and you can talk to suspicious people directly if necessary.Notice:Only when used with extend speaker,this system can achieve two-way audio..
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BLATN Smart 126s Air Quality Monitor Indoor TVOC Tester PM2.5 Meter Formaldehyde HCHO Detector PM1.0 PM10 VOCs Data Record Particulate Matter Dust Pollution AQI Indicator

  • ...rt of all 11 measurement items, with date and time, frequency: once every 1 minute. MAX storage capacity can be expanded to 8G, which can store up to 400 days of records.
  • 003cb003eFINE PARTICLE DUST LEVEL003c/b003e -- Laser air quality sensor can measure indoor dust level in real time. 6-channel tiny particle number detection (Number of particles/liter)--PM0.3, PM0.5, PM1.0, PM2.5, PM5.0, PM10.
  • 3-channel particulate matters quality detection (μg/m³)--PM1.0, PM2.5, PM10.
  • Click Mode Switch Button (Curve) to switch the particle and curve interface for viewing 6-channel particle count.
  • 003cb003eHCHO SENSOR003c/b003e -- Electrochemical formaldehyde HCHO tester, double platinum catalytic electrode, strong anti-interference ability.
  • 003cb003eTVOC CHEMICAL POLLUTION003c/b003e -- Semiconductor TVOC meter can test a variety of volatile organic compounds TVOC VOCs, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., captures the change in molecular concentration of organic compounds at the thousandth level.
  • 003cb003ePROFESSIONAL & ORIGINAL003c/b003e -- air quality alarm base on US standard.
  • stereo air convection sampling and active air interactive system.
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【2021 New】 Security Camera System Wireless 4TB Hard Drive Pre-Install 8 Channel 1080P NVR 8PCS 1080P 2.0MP CCTV WI-FI IP Cameras for Homes,OHWOAI HD Surveillance Video Security System.

  • "Real Dual Antenna to enhance WiFi":Wireless signal is very important for wirelsss system. If the wireless signal is weak, the video will be....
  • "AI Human Detection & Remote Access": With most advanced AI Human Detection technology,OHWOAI wireless security camera only detects human....
  • "4TB HDD & 60 Days Video Storage": This 8 camera wireless security system has a preinstalled 4TB hard drive. The advanced compression technology....
  • "3.0MP HD Weatherproof & Night Vision": Adopted 3.0MP high-tech optical lens, the security camera presents a higher 2048*1536 Mega Pixels super high....
  • "Update Two-way Audio":Built-in microphone, expandable 5W high-power speaker(sold separately),to achieve true two-way audio.It can record sounds....
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GW Security 16 Channel 4K NVR 5MP H.265 IP Surveillance Security Camera System with 12-Piece Super HD 1920P Weatherproof PoE Security Dome Cameras AI Human Detection

  • Max 8.0 Megapixel Full HD Realtime Recording 16 Channel 4K NVR Security System with (12) 5MP 1920P Weatherproof POE H.265 IP Dome Cameras (Built-in 3.6mm megapixel HD Lens for wide view angle and 48Pcs Infrared LED, View up to 130ft IR Distance).
  • Smart AI Human Detection - Our AI Camera's built-in intelligent Human detection software automatically recognizes person to maximize security and eliminate false alarms. You'll instantly know if unknown persons arrives on your property with advanced AI motion detection technology.
  • View and Record in Widescreen with Remote Viewing on Computer, Phone and Tablet devices. Setting up is so easy! Simply download the smartphone App and scan the NVR QR code, you are ready to being live viewing and recording.
  • Power over Ethernet setup is clean and simple with a single network cable. Features Wide Dynamic Range & 3D DNR giving you ability to see clearly in contrast lighting environment and sharper monitoring and playback. Advanced H.265 Video Encoding Supported..
  • Includes Motion Detection & Snapshot & Email Alerts & Power over Ethernet & USB backup feature for peace of mind. Pre-installed 4TB Hard Drive (2 SATA, Up to 12TB each, Total up to 24TB). 2 Year Warranty and US-based Free Tech Support.
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Testing Coupling Adapter, G1/4 to M16*2 Thread Pressure Test Point Testing Coupling Adapter for Hydraulic System Test Point Adapter

  • ★★★【Widely Applicable】- This series of products are widely used in hydraulic system pressure detection, lubrication, exhaust, pressure system oil sampling..
  • ★★★【Long Service Life】- This test adapter is made of high quality carbon steel and stainless steel material, sealing by good sealant, with long serving life..
  • ★★★【High Quality】- It can withstand high pressure, and great temperature resistance..
  • ★★★【Excelent Performance】- Advanced structure, reliable sealing, no oil leak..
  • ★★★【Portable】- Small size, light weight, easy to use..
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GW Security 4K Outdoor/Indoor AI Smart Functions Security Camera System, 8 Channel 8MP PoE NVR, 4 x 4K IP Color Night Vision Microphone Bullet Camera, 24-7 Video & Audio Recording

  • 2022 Newest Human Detection & AI Smart Functions --- This system have 15 AI Smart Functions include Human Detection, Area Intrusion, Line crossing, Region Entrance/Exiting, Object Missing, Parking Detection, etc. You can customize motion detection zones with 15 AI Smart Function and adjust motion sensibility. You will get notifications only when the human or AI smart motion is detected, the useless motion caused by natural will be filtered. It will greatly reduce annoying false alert.
  • 8.0 Megapixel Ultra HD 4K Capture crisp high quality HD 3840x2160p resolution video, it gives you even higher resolution than standard HD 4MP/1080p cameras. Power over Ethernet setup is clean and simple with a single network cable, built-P2P service and support any H.265+/H.265/H.264 Standard IP cameras.
  • 8 Channel Full UHD 4K H.265+ NVR (Recording HD 4K 2160p/1920p/1080p Resolution Video per channel). Advanced H.265+ (and H.265 & H.264) Video Encoding Supported: H.265+ is faster, consumes 50% LESS data and has a reduced data footprint allowing you to store more video to your NVR while also preserving and improving upon superior video quality.
  • (4) 8MP 4K H.265+ STARVIS Starlight Color Night Vision PoE IP Microphone Cameras --Super Clear Image Quality--Day and night ful....
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Driver Fatigue Alarm, 60° Wide Angle Security Anti-Sleep Alarm Monitor, USB Driver Alertness System with Suction Cup Buckle, 45-65cm Detection Distance, for Drivers Security Guards, Safe Driving

  • 【DRIVER SECURITY ALERT SYSTEM MONITOR】This anti-sleep monitor through recognition technology and pupil detection, determined whether driver is fatigued or inattentive according to changes in pupil characteristics. Can accurately detect the fatigue state of the driver, and send reminders and alarms to the driver in real time to ensure the safety of the driver..
  • 【INTELLIGENT FACE READING DETECTION TECHNOLOGY】Using the image sensor to catch the infrared image of the human face, and analyze and confirm it through the high‑speed digital signal processor. Through face recognition, blinking, blinking frequency and real‑time detection, voice warnings and alarms to calculate, judge and determine whether the driver is driving safely..
  • 【ALARM IN TIME】This driver alertness system's detection distance is about 45-65cm / 17.72-25.59in (±5cm / 2.0in). When the driver is fatigued, prompt an alarm in time, when distracted driving (look around), alarm and alarm response time 1-2 seconds after closing your eyes. Send reminders and alarms to the driver in real time to guarantee the safety of the driver's life and property..
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GW Security Smart AI 16 Channel H.265 PoE NVR Ultra-HD 4K (3840x2160) Security Camera System with 12 x 4K (8MP) 2160P Face Recognition/Human/Vehicle Detection Outdoor Indoor Surveillance IP Camera

  • *****Ultra High Definition 4K (3840x2160)***** FOUR TIMES the resolution of 1080P! 16 Channel H.265 4K NVR Security Camera System with (12) H.265 4K (8MP) @15FPS Weatherproof 3.6mm Wide Angle Smart AI PoE IP Bullet Cameras.
  • Face Recognition / Human/Vehicle Smart AI Detection - Our AI Camera's built-in intelligent facial recognition and Human/Vehicle detection software automatically recognizes familiar faces or people or car to maximize security and eliminate false alarms. You'll instantly know if unknown faces or persons or vehicle arrives on your property with advanced AI motion detection technology..
  • View and Record in Widescreen with Remote Viewing on PC, Mac, iPhone, iPad, and Android devices. Plug&Play setting up is so easy! Simply connect the ip Cameras to NVR and download the smartphone App and scan the NVR QR code, you are ready to being live viewing and recording. Advanced H.265 (and H.264) Video Encoding Supported: H.265 is faster, consumes 50% LESS data and has a reduced data footprint allowing you to store more video to your NVR while also preserving and improving upon superior video quality..
  • Power over Ethernet setup is clean and simple with a single network cable. 100% True Plug-and-Play - An additional built-in network interface pro....
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[2 Way Audio & 3K 5.0MP]Dual Antennas Outdoor Wireless Security Camera System,AI Human Detection 8Pcs 5.0MP 1920P Home Wi-Fi Surveillance Video System,4TB HDD,Night Vision,Waterproof,60 Days Storage

  • "Two-way Audio": Built microphone and speaker on the Cameras, it can achieve true two-way audio. It can record sounds within about 35ft (10 meters).....
  • "Updated Dual Antenna to Enhance Wireless": Wireless signal is very important for wireless system. If the wireless signal is weak, the video will be....
  • "Real 5.0MP Super HD Weatherproof & Night Vision": Adopted 5.0MP 1920P high-tech optical lens, the security camera presents a higher 2560*1920 Mega....
  • "AI Human Detection & Remote Access":With most advanced AI Human Detection technology,wireless security camera only detects human movement.It's more....
  • "60 Days Video Storage": This 8-cameras wireless security system has a preinstalled 4TB hard drive. The 2022 last advanced compression technology....
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