Best Roi Calculations

HDView 5MP IP Network Camera H.265 DWDR PoE, Build in Mic, 2.8mm Wide Angle Lens 3-Axis, Eyeball Dome, Megapixel Home Security Camera

  • 5MP ( 2592 × 1944 ) H.265 coding Max.resolution: 2592 x 1944 ICR auto switch, true day / night, ROI coding.
  • Build in Mic, 3D DNR, digital WDR, HLC, BLC, defog 20~30m IR night view distance.
  • P2P function optional IP 67 ingress protection Support three streams.
  • Support remote monitoring by smartphones&tablet PCs with iOS and Android OS.
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2MP PoE Security Covert Camera - Pinhole 3.7mm Lens 1080p Compatible with Hikvision DS-2CD6424FWD-20 Covert Camera

  • [Hikvision OEM Product] Unbranded, Non-logo. Manufacturer by Hikvision factory but comes with OEM model number. 100% Compatible with any Hikvision or Hikvision compatible system. English version Hikvision OEM upgradable firmware. 3 year warranty and life-time tech support are covered by Hawkeye surveillance in Los Angeles, CA.
  • 2MP WDR Pinhole Covert Network Camera, 1920 x 1080 high resolution.
  • Rotate mode, ROI codec, 120dB WDR, Audio/Alarm IO.
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Scientific Calculator with Graphic Functions - Multiple Modes with Intuitive Interface - Perfect for Beginner and Advanced Courses, High School or College

  • [SCIENTIFIC CALCULATOR WITH GRAPHIC FUNCTION] - This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use..
  • [MULTIPLE MODES] - This calculator features 3 operating modes: Angular Measurement, Calculation, and Display modes. More information is available in the photos..
  • [OVER 280 FUNCTIONS] - Including fractions, statistics, complex number calculations, linear regression, standard deviation, permutations, and variable solving..
  • Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business..
  • If you are not able to turn on the calculator, please press the reset button on the back! If you still have any other issues, we offer a 365-day limited warranty. Please contact us and we will give you a response within 24 hours. PLEASE NOTE: This is a Scientific Calculator and not a Graphing Calculator. The graph functions help to visualize your formulas..
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Scientific Calculator with Graphic Functions - Multiple Modes with Intuitive Interface - Perfect for Beginner and Advanced Courses, High School or College

  • [SCIENTIFIC CALCULATOR WITH GRAPHIC FUNCTION] - This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use..
  • [MULTIPLE MODES] - This calculator features 3 operating modes: Angular Measurement, Calculation, and Display modes. More information is available in the photos..
  • [OVER 280 FUNCTIONS] - Including fractions, statistics, complex number calculations, linear regression, standard deviation, permutations, and variable solving..
  • Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business..
  • If you are not able to turn on the calculator, please press the reset button on the back! If you still have any other issues, we offer a 365-day limited warranty. Please contact us and we will give you a response within 24 hours. PLEASE NOTE: This is a Scientific Calculator and not a Graphing Calculator. The graph functions help to visualize your formulas..
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Printing Calculator with 12 Digit LCD Display Screen, 2.03 Lines/sec, Two Color Printing, Adding Machine for Accounting Use, AC Adapter Included (Light Blue)

  • [PRINTING CALCULATOR LOGIC] - This is a printing calculator/adding machine and DOES NOT function like a standard desktop calculator..
  • [2022 UPDATED DESIGN] - This Printing Calculator model features a much faster circuit board and a significantly more responsive keypad, allowing you to quickly type in your calculations..
  • [CLEAR DISPLAY] - Featuring a 4 inch screen, this calculator supports up to 12 digits - allowing you to calculate large numbers at a time. The screen is also very clear and easy to read, relieving strain on your eyes..
  • [TWO POWER SOURCES] - An AC adapter is included so you never have to worry about running out of power. However, if you want to travel, this calculator is also for you. It supports 2 AA batteries (not included), giving you the option of mobility..
  • [COLOR PRINTER] - A 2-Color Ink (Blue and Red) printer within helps you organize your calculations. This calculator uses an industry standard replaceable ink roller, the IR-40T, making the ink easy to replace..
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HIKVISION EKI-K82D46 8-Channel 4K POE NVR Value Express Kit with 6 4MP Outdoor Network Dome Camera 2.8 mm Fixed Lens RJ45 Connections

  • 6 Cameras:: 1/3" (4 MP) Progressive Scan CMOS - 2688 x 1520 @ 30 fps.
  • Color: 0.018 Lux @ /1.6, AGC on), 0 Lux with IR - H.265+/H.265/H.264+/H.264.
  • 120 dB WDR - BLC/3D DNR/ROI/HLC - IP67 Weatherproof, IK10 Vandal protection.
  • 8-ch NVR:: Up to 8 MP Resolution Recording - H.265+/H.265/H.264+/H.264/MPEG.
  • Plug-and-Play PoE Cameras - Up to 2 SATA Interfaces.
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Teyleten Robot VL53L1X Laser Ranging Flight Time Sensor Module Distance 400cm Measurement Extension Board Module (2pcs)

  • The VL53L1X is a state-of-the-art, Time-of-Flight (ToF), laser-ranging sensor, enhancing the ST FlightSense product family. It is the fast miniature ToF sensor on the market with accurate ranging up to 4 m and fast ranging frequency up to 50 Hz Unlike conventional IR sensors.
  • the VL53L1X uses ST's latest generation ToF technology which allows absolute distance measurement whatever the target color and reflectance. It is also possible to program the size of the ROI on the receiving array, allowing the sensor FoV to be reduced..
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Teyleten Robot VL53L1X Laser Ranging Flight Time Sensor Module Distance 400cm Measurement Extension Board Module (1pcs)

  • The VL53L1X is a state-of-the-art, Time-of-Flight (ToF), laser-ranging sensor, enhancing the ST FlightSense product family. It is the fast miniature ToF sensor on the market with accurate ranging up to 4 m and fast ranging frequency up to 50 Hz Unlike conventional IR sensors.
  • the VL53L1X uses ST's latest generation ToF technology which allows absolute distance measurement whatever the target color and reflectance. It is also possible to program the size of the ROI on the receiving array, allowing the sensor FoV to be reduced..
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Aucanla Desk Calculator,Desktop Calculator with Writing Tablet,Premium Office Calculator for Students and Clerk

  • Calculator with Notepad:The calculator and notepad are designed in one piece,you can make notes while calculating,improve study and work efficiency.The calculator supports calculations with up to 12 digits and notepad acts as a cover to protect the calculator from dirt.Press the clear button to erase the notes and protect personal privacy..
  • Lightweight and Portable:This is a lightweight calculator with writing tablet,foldable design, weighs only 4 oz.It is so compact that you can carry it in your pocket,can be quickly removed and used immediately when needed,convenient for taking notes on phone calls, quick notes, and meeting minutes..
  • Healthy and Eco-friendly:The blue light-free LCD screen is used to protect eyes,when you are not using the calculator,you can also put it on your desk as a notepad.It can be written repeatedly, reducing paper consumption and being environmentally friendly,there is no need to use a shredder to process the paper..
  • Mute Design:Adopt high quality silicone button, feel comfortable, suitable for daily calculations.Mute button does not disturb others, suitable for office,learning and a variety of use scenarios..
  • 1-year Extended Warranty:The product has 1 year extended warranty and detailed instructions,it can be replaced directly....
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Goldshell LT5 pro 2450MH/S ASIC Miner Scrypt Algorithm Mining Litecoin&Dogecoin

  • Goldshell LT5 Pro 2.455GH/S 3100W Miner Scrypt, LTC/Doge.
  • 24 hours on line support- message me for assistant.
  • Special provision Breaking down cryptocurrencies involves financial risks. These risks may relate to changes in the exchange rate of the cryptocurrency or to changes in the algorithm used to mine the cryptocurrency. Please consider carefully before you make a purchase.
  • We will charge 15-30% restocking fee if return Goldshell in any of the following conditions: 1) Return for non-quality reason such as ” We don’t need it anymore” or ” the ROI of the miner is lower than expected, 2) Any parts with missing, damaged, altered or unreadable of manufacturer model, part number label, serial number label. 3) without all original packaging & accessories, including manual, cables and other items originally included with the product..
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