ReviewsDistance Sensors

SunFounder Ultrasonic Module HC-SR04 Distance Sensor Compatible with Arduino R3 Mega2560 Duemilanove Nano Robot Rapsberry Pi 4B 3B+, 3B, 2 Model B & 1 Model B+

Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal，When triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object..
Hc-sr04 Test Distance following formula: L = 1/2 × T × C ( L is the distance, T is the time between the emission and reception, and C is the sonic speed).
Package Content: 5 HC-SR04 Ultrasonic Sensors , 10 Female-Male Dupont Cables , 10 Female-Female Dupont Cables , 1 Exquisite package box.

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OUVOPO Wireless Driveway Alarm, Motion Sensor Alarm, 100m Long Distance Signal Transmission, Home Security Alarm System Motion Sensor Doorbell Chime Tunes, 1 Receiver and 2 Motion Detector

✔ Wireless Long Distance transmission- Communication range up to 220 feet from each motion sensor to the receiver. Cars, people and animals can be detected within 24ft/8M of each detector's angled eye..
✔ Easy to Install & DIY - Takes only a few minutes to set up. Motion sensor alarm systems can be mount to posts, walls, fences. Simply place your sensor/or multiple sensors (expandable up to 5 sensors) anywhere..
✔ Wide Range of Uses - Motion detection is an essential part of any home security solution. The wireless driveway alarm motion sensor can be used to monitor& protect your indoor property. Such as driveway, front porch, gate, pool, garage, mailbox, shed and etc. Great for home, business,and office..
✔Two Alert Option - You can choose alarm/ Doorbell chime mode with this motion sensor alarm system. Be alerted to visitors, scare off unwanted intruders, take good care of your parents when they get up at night, or even know when your children have accessed restricted areas..
✔Fully Expandable and 2 years warranty - The unit includes one USB receiver(Adapter not included) and two motion sensors. Expandable up to 8 sensors and unlimited receivers for complete coverage of your indoor property..

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Driveway Alarm, 1byone Motion Sensor Home Security Alert System with 36 Melodies, 1 Weatherproof PIR Motion Detector, 1000ft Wireless Transmission Range and 24ft PIR Detection Range

...art of any home security solution. The waterproof sensors in this system use Passive Infrared to detect heat and movement so you can quickly be alerted to movement on your driveway, front porch, gate, shed, walkway, or even swimming pool (for when kids get too close). Great for homes, businesses, and offices..
LONG DISTANCE WIRELESS - Communication range up to 1000ft/300M from each sensor to the receiver. Cars, people and animals can be detected within 24ft/8M of each sensor’s angled eye. Think of this system as your long-range doorbell..
3 ALERT OPTIONS & 36 CHIMES TO CHOOSE FROM - Select one of 3 ways of being alerted (Sound/LED Flash/Sound and LED Flash) and 3 volume levels from 25-80dB. Also select from 36 chimes and doorbell sounds. Be alerted to visitors, scare off unwanted intruders, or even know when your children have accessed restricted areas..
EASY TO INSTALL & DIY - This system is fully-expandable, with plug-and-play sensors that can be set up within minutes. Pair each receiver with up to 5 sensors for full coverage of your property. The sensors can be mounted to walls, fence posts, trees, or any other surface, providing extra layers of security and home safety..
100% SATISFICATION - We stand behind our products 100% with a 90....

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2Pcs JSN-SR04T Integrated Ultrasonic Distance Measuring Sensor Transducer Module Waterproof

Working voltage:DC3-5.5V, Static current:5mA, Total current work: 30mA. Working range: 25cm-4M, Working frequency: 40KHZ, Detecting angle: 75 degree. The JSN-SR04T ultrasonic distance measuring module provides a measurement range of 21cm-600cm. Blind area is 20cm..
Integrated with sealed waterproof stripline probe, this sensor suitable for wet and harsh measurement occasions. Please note that the device is waterproof, but it couldn't work underwater..
Small size, easy to use, strong anti-jamming, high accuracy, low voltage and low power consumption. The module has a variety of modes that can be modified manually, suitable for testing and teaching experiments in different occasions..
Applications:It is widely used in horizontal distance ranging, obstacle avoidance, object distance measurement, car reversing sensors, security alarms, automatic control, security and industrial control, Intelligent traffic control and artificial intelligence teaching and research etc..
Package Included:2 x JSN-SR04T Ultrasonic Distance Measuring Transducer Sensor Waterproof.

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eMACROS Wireless Driveway Alarm, Motion Sensor Alarm 500 FT Range Extra Loud Chimes Weatherproof Home Security Alarm System Protect Indoor/Outdoor Property-1 Receiver and 2 Sensors

...olution. The waterproof sensors in this system uses a Pyroelectric infrared (PIR) motion sensor to detect heat and movement so you can quickly be alerted to movement on your driveway, front porch, gate, shed, walkway, or even swimming pool (for when kids get too close). Great for homes, businesses and offices..
Long Distance Wireless and Reliable Battery Life - Trigger 50 times a day,the sensor's battery can be used for a year. Communication range up to 500FT (150 Meters) from each sensor to the receiver. Cars, people, and animals can be detected within 24FT/8M of each sensor’s angled eye. Think of this system as your long-range doorbell..
Easy to Install & DIY - This system is fully-expandable, with plug-and-play sensors that can be set up within minutes. Pair each receiver with up to 16 sensors for full coverage of your property. The sensors can be mounted to walls, fence posts, trees, or any other surface, providing extra layers of security and home safety..
EXTREMELY RELIABLE - Much time went into developing and testing our reliable InfraRed outdoor driveway alarm wireless detector that will dependably alert you to activity around your property. See Owners Instruction Manuel to swivel mount to refine the focus and detection angle of the sensor. 2 ....

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Sunny Health & Fitness Upright Exercise Bike with Electromagnetic Resistance, Programmable Monitor and Pulse Rate Monitoring - SF-B2883

...sors as you exercise on the magnetic upright exercise bike. The heart rate data can be used to personalize the pre-installed heart rate-driven workout programs. The ergonomic handlebars are designed to help you maintain support on the cardio machine as you exercise..
PERFORMANCE MONITOR: Track your speed, RPM, time, distance, calories burned, wattage, heart rate, and workout programs on one backlit screen when you plug in the upright cycle bike..
WORKOUT PROGRAMS: This stationary bike comes with 24 pre-installed workout programs, including a BMI calculator, 12 resistance-based workout presets, 5 heart rate-driven workout presets, a wattage-based preset, time and distance presets, and 4 manual preset..
STURDY BUILD: Designed for long-lasting workouts, this bike is crafted with a steel frame that can support up to 240 LBS. Enjoy maximum stability when you workout with ergonomic handgrips, floor levelers, and a universal strap..

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ThermoPro Indoor Outdoor Thermometer Wireless TP200B, Thermometer indoor outdoor with Temperature Sensor Up to 500FT, Outdoor Thermometers for Patio Garden Cellar Home Room

500 Feet Remote Range: With up to 500 feet in wireless transmission distance (no obstructions), this outside thermometer allows you to monitor the temperature indoors and outdoors.
Supports to 3 Temperature Sensors: Indoor thermometer for home supports up to 3 outdoor temperature sensors, freely monitor the temperatures in different locations such as room, yard, cellar, greenhouse, garden, etc. Search B0BHQSR2RK to purchase additional remote sensors.
Rainproof Sensor: Room thermometer indoor/outdoor thermometer wireless sensor features rainproof design, allows you to monitor outdoor temperature even in rainy days.
High Accurate Readings: Temperature thermometer outdoor with compact LCD displays large digits of indoor-outdoor temperature, accuracy up to +/-2°F.
Multiple Placement Options: Remote thermometer wireless features 3 placement options to allow you place it anywhere: Durable stand for tabletop, strong magnet for metal surface, hanging mount for hook.

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ThermoPro TP67B Waterproof Weather Station Wireless Indoor Outdoor Thermometer Digital Hygrometer Barometer with Cold-Resistant and Waterproof Temperature Monitor, 500ft Range

500FT cold resistant and waterproof sensor TX4B: Upgraded waterproof remote outdoor temperature and humidity monitor is completely sealed, ensuring it can be used in extreme weather such as heavy rain, snow and transmission distance up to 500FT.
temperature sensors monitor outdoor temperatures as low as -31℉(-35℃).
Weather forecast and digital barometer graph: Large wireless thermometer indoor outdoor display features weather forecast that’s able to predict the weather conditions with barometric pressure, 12-24 hours in advance and then display the weather forecast via 5 icons (sunny, partially cloudy, cloudy, rainy and snow).
plan your travel and activities in advance with confidence.
Informational: Humidity meter monitors indoor outdoor temperature (℉/℃) and humidity (%RH) and records MIN/MAX temperature and humidity percentages with trend arrows to indicate where the humidity or temperature is headed to alert you of changes to your environment.
User friendly design: 4 inches large clear LCD display digital remote thermometer with a backlit button to allow for all information to be easier to read in dim light conditions and superbly simple to use.
Place the temperature and humidity gauge anywhere with tabletop and wall-mountable de....

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Dog Man: Fetch-22: A Graphic Novel (Dog Man #8): From the Creator of Captain Underpants

SAFETY: Multiple sensors keep you and your dog safe.
a FRONT MOTION SENSOR protects pets and people standing up to 7 feet in front of the launch area and reinforces safely loading balls into the side pocket.
DISTANCE: Launcher throws between 8-30 feet.
has 9 distance settings and 6 angle settings.
pull out and twist angle knob and distance knob to adjust the launcher’s range.
PAUSE: The Automatic Ball Launcher features a 15 minute rest interval after 15 minutes of play.
the rest period ensures dogs aren’t playing past the point of exhaustion.
OPTIONS: The PetSafe Automatic Ball Launcher can be used both indoors and outside to entertain and exercise your dogs.
use the included power cord or 6 D cell batteries (not included).
FLEXIBILITY: The PetSafe Automatic Ball Launcher works best with standard size tennis balls 2 5/8” in diameter but can be used with smaller tennis-type balls.

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Arccos Golf Caddie Smart Sensors

Winner of four-straight Golf Digest Editor’s Choice Awards for “Best Game Analyzer, ” Arccos Caddie is golf’s first and only fully-automatic performance tracking system. It features 14 sensors, one for every club in your bag..
Access to the award winning Arccos Caddie app, golf’s Smartest Caddie..
Automatic shot tracking, hands-free fully automatic data capture..
A. I. Powered GPS Rangefinder, first-ever rangefinder that adjusts in real-time for wind (including gusts), elevation, temperature, humidity and altitude providing the most precise yardage in the game the Arccos Caddie Number..
Personalized Caddie Advice that leverages A. I. to provide you with your optimal strategy..
Smart Distance Club Averages, know how far to actually hit all your clubs so you select the right one for every shot..
Strokes Gained Analytics with personalized insights using A.I. to highlight strengths and weaknesses and guide your practice & equipment choices.
Arccos Caddie Smart Sensors include the first year’s membership to the Arccos Caddie app.

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Sunny Health & Fitness Foldable Walking Treadmill - SF-T7942, Grey

CAPABLE MOTOR: Walk and jog up to 7 mph on the space-saving running belt. Designed for comfort, the walking belt comes equipped with shock-absorption technology..
FOLDABLE: Crafted to save space, this treadmill can fold completely upright. Use the onboard transportation wheels to move the treadmill while it is folded..
ONBOARD DISPLAY: Use the built-in performance monitor to easily track your time, speed, distance, calories burned, and pulse. Use the convenient buttons on the console to control your speed and start-stop operations on the cardio machine..
HAND PULSE SENSORS: Monitor your cardiovascular performance when you place your hands on the pulse-grip sensors. View your cardiovascular data on the built-in monitor..
MAINTENANCE REMINDER: This treadmill comes equipped with lubrication with an indicator that alerts you when the running belt on the treadmill needs to be maintained..

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