Best Enhanced Alarm Output

YHAAVALE 100W Emergency Police Siren Kit,Multi-Function Sounds,Wireless Remote Control with MIC,Electronic Emergency Warming PA System for Car

  • YHAAVALE E30 is a multi-function 100W police siren alarm system integration.Come with a Black plastic Speaker..
  • MULTIPLE OPERATION MODES - This warning system features multiple operation options. with the siren option giving you HIGH,BASS,FIRE,AIR DEFENSE ,MUTU....
  • AUDIO CLARITY AND AUDIBILITY - With an adequate power output of 100W and powerful speakers with a rating of 120-130dB, you get quality audio output....
  • Alarm installation is simple, easy to operate, stable performance, strong power..
  • It's suitable for police, fire, ambulance, traffic, engineer, volunteer, and private vehicle to use as a PA system or audio warning device..
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American Lifetime Newest Version Day Clock Extra Large Impaired Vision Digital Clock with Battery Backup and 5 Alarm Options

  • Dual Alarms with 2 Ringtones - Dual alarms can separate your waking-up time from your partner and are suitable for your timetable. You can choose the buzzer or radio to wake you up, both alarm source volumes can be adjusted to your comfort level. (Buzzer : 3 level.
  • USB Charge Port - 5V/1A USB output interface at the back of the clock allows you to charge your smartphone, iPad or other USB devices, which is very convenient..
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AMPINVT 6000W Peak 18000W Pure Sine Wave Power Inverter Charger DC 24V to 120V/240V AC Output Converter Off Grid Low Frequency Solar Inverter for Sealed Gel AGM Flooded Lithium Battery

  • 1. 120/240 VAC Split Phase,continuous 6000 watt low frequency inverter 110V/220Vac Split Phase, Peak 18000 watt.
  • 2. This Pure Sine Wave Inverter is a combination of an inverter, battery charger and AC auto-transfer switch. High transfer efficiency is above 90%, , complete isolate surge interference of input & output's voltage and current, Impact resistance, super load capacity, built-in AVR stabilizer, continuous stable pure sine wave output..
  • 3. Battery typesetting choose : SLA ,AGM , GEL , Li-ion battery & Customize. Support lifep04,Sealed Gel AGM Flooded Lithium, Sealed, Gel, and Flooded Batteries...
  • 4. Adjustable Charging Current: The max charge current can be adjusted from 0%-100%, 100% is max charge current 35A. Setting the value to 0% will turn off the charging function..
  • 5. Five working mode : AC priority mode , Battery priority mode , Generator mode , ECO mode , Unattended mode. When AC input is present, the battery will be charged first, and the inverter will transfer the input AC to power the load. When you choose battery priority, the inverter will invert from battery dc to ac output . Battery priority mode & Unattended mode have Low volt restore setting and Low volt protect setting..
  • 6. Protections: Battery low voltage alarm / Battery high ....
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DC Power Supply Variable, Adjustable Switching Regulated Power Supply (0-30 V 0-10 A) with 4-Digits LED Display, 5V/3.6A USB Quick-Charge Interface, Short Circuit Alarm, Coarse and Fine Adjustments

  • ...digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipment maintenance, products line, scientific research and teaching units..
  • 【Packaging and After-Sales】1 x power host, 1 x output power cord, 1 x input power cord, 1 x user manual, We provide lifetime tech....
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Taidacent Low Concentration Qualitative Detection MQ131 Ozone Sensor Module O3 Air Quality Monitoring

  • Mainly used for qualitative detection, suitable for home and environmental gas detection equipment, ozone gas detection, gas sensor test concentration....
  • The module has level signal output and alarm signal indicator.
  • The module is with analog signal output, voltage range: 0-5V.
  • The level signal output is effective at low level, which can drive PNP transistors and can also be connected to the IO port of the microcontroller.
  • The analog output voltage increases with the increase of ozone concentration, the higher the concentration, the higher the voltage.
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Viper 3-Channel 1-way Car Alarm Security System w/ Keyless Entry Dual Zone Shock Sensor Two 4-Button Remotes and Control Center / Free Alphasonik Earbuds

  • 3-Channel, 1-way Security System with Keyless Entry, 4-Button remotes and control center.
  • Stinger Double-Guard shock sensor detects tempering Revenger six-tone soft-chirp siren and parking light alarm response.
  • Panic mode - call for attention by triggering alarm Bright blue status LED warns thieves and gives you info about the system.
  • Dedicated lock and unlock buttons for easy use Domelight supervision output can light your vehicle as you approach.
  • Programmable AUX output for remote-controlled options Control center with antenna, valet switch, and status LED combined into one unit.
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DPNAO Cd Player Portable Boom Box with Clock FM Radio Clock USB SD Aux Line-in for Lap top Home Kids

  • Compact home stereo system CD Player and Supports USB SD Card.
  • Listen to FM radio or an external MP3 player, supports be wall-mounted.
  • FM radio with 10 station presets.clock. alarm.Preset EQ sound including Rock/ Pop/Classic/Jazz.
  • Aux Line-in 3.5mm audio input jack for MP3 players and other audio devices.
  • Remote control included, Earphone jack output,and LCD displayDescriptionFeatures:.
  • -Alarm wake up to FM radion/cd/usb/sd/buzz.
  • -Preset EQ sound including Rock/ Pop/Classic/Jazz.
  • -Audio line-in(AUX IN) for connecting other digital audion player.
  • Clock/Memory back-up battery:AA type batteries*2pcs(Not included).
  • Remote Control:1*3V type CR2025 Lithium Battery.
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Energy Dynamotor,Miniature Hand-cranked USB Charging Generator Power for Backup Lighting Power Supply,Charging,Testing, Teaching,Hydraulic Generator,etc

  • DC20D is one module used for Diesel Engine or Generator..
  • It is with the functions of Auto Start/Stop, Protection and Alarm indication. DC Power and Running situation is indicated on the front panel..
  • The status of the engine and generator can be checked conveniently..
  • Over Frequency, Low Frequency, Over Voltage, Under Voltage, Low Oil Pressure, High Temperature, Low Water Level, Low Oil Level, Charge Failure, Over-time Stop, Emergency Stop Alarm System as well as Low Battery Voltage can be indicated in time..
  • The output contact adopts relay, which can withstand large output current, and can set system parameters according to the button, so as to meet the application of different occasions..
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16.5V 40VA Burglar Alarm Systems and Doorbell Transformer,16.5V Plug in Transformer Compatible with All Versions of Doorbell ,Most Security Panels

  • ➡︎ Easily Replace your Old Transformer - Plug in Alarm System Transformer for your Security System.
  • ➡SPECIFICATION: input voltage: 120 VAC, 60Hz.
  • Output voltage: 16.5V, 40VA SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator.
  • ➡ELIMINATATE DOORBELL UNDER POWER HASSEL:16.5V 40VA plug in transformer, replaces and upgrades underpowered transformer with this 16.5V AC transformer, offering plenty of power for your doorbells.
  • ➡Compatible With: This transformer compatible for Honeywell Ademco, DSC, ETC Burglar Alarm Systems.
  • Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell.
  • ➡ Easy to install:Output with screw terminals, simple wiring.
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POWERBES DC Power Supply Variable 120V 3A - Adjustable Horizontal Switching Regulated Benchtop, Highly Portable, 3-Row & 4 Digits Display, Highly Accurate (0.01V - 0.001A), Testing Leads Included

  • ...te Encoder Adjustment】 Just press the voltage or current encoder knob of the DC power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9, you can directly and accurately set the voltage or current you want. It is more precise and convenient than traditional knobs..
  • 【Output Switch Control】 In the process of using the variable power supply, you can adjust the voltage and current you need by pressing the output button at any time. This design can prevent you from damaging the appliance because you forget to disconnect the output. Effectively improve your experiment efficiency..
  • 【Automatic Power Calculation】 The bench power supply will automatically calculate the power based on the voltage and current, and display the voltage, current and power on the high-definition four-digit digital display. The accuracy is 0.01V, 0.001A. The bright digital display allows you to use the bench power supply in a dim environment..
  • 【Short Circuit Alarm】 When the load equipment fails and short-circuits, the adjustable dc power supply will emit a buzzer alarm. Prevent excessive output current from damaging the load equipment. In addition, it has multiple protections, such as grounding wire, leakage protection, therma....
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