ReviewsBattery Powered Humidity Sensor

KeeKit Indoor Outdoor Thermometer, Digital Hygrometer Meter Gauge with 3 Wireless Sensors, Temperature Humidity Monitor with LCD Backlight, Min/Max Record for Home, Office, Restaurants, Bars, Cafe

  • 3 Wireless Transmit Sensors The 3 remote sensors can be put in three different places whatever indoor or outdoor. The thermometer can display the indoor temperature and 3 sets of outdoor temperature and humidity simultaneously. Besides, the rate of changing icon detects rapid changes in temperature and humidity. The station and transmitter signal distance is 100M/328ft (open area)..
  • Large Backlit LCD Screen Large LCD display with simple and clear readings. You can press the "Light" button to turn on the backlight. This helps you to read the data clearly even in the dark. And then, the digital hygrometer will automatically turn off after 10 seconds if without any operation..
  • Accurate Max & Min Record Max & Min record functions on indoor and outdoor on both temperature and humidity. The data update every 60 seconds. Press the /F button to switch between Celsius and Fahrenheit. Perfect on your house, office, factory, restaurants, warehouse baby room and so on..
  • Humidity Expression Indoor temperature (0 - 60).
  • Humidity (10% - 99%). The temperature and humidity accuracy: 1 / 5%.
  • DRY: humidity45%. The express changes following the changing of the humidity..
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SMARTRO Wireless Remote Sensor Indoor Outdoor Thermometer Replacement for SC91/SC62

  • Remote sensor with wide transmission range up to 200ft/60m in an open area. 3 channels available..
  • Attention: The sensor is not suitable for SC92/SC93..
  • Display with temperatures (in °C or °F) / humidity (%RH).
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Geevon Indoor Outdoor Thermometer Wireless with 3 Remote Sensors, Digital Hygrometer Thermometer, Temperature Humidity Monitor Gauge with 200FT/60M Range

  • 【Accurate Temp&Humid Readings】 Wireless indoor thermometer for home with large LCD display measures the real-time temperature and humidity with past 24 hours Max/Min records and trends arrows. Assess historical data and refer to the Comfort Indicator to quickly know your home living conditions. Works with the hi/lo temperature and humidity alert function, helps create more healthier lifestyle..
  • 【Come with 3 Wireless Sensors】 Indoor outdoor temperature and humidity monitor supports to be connected to display readings from 4 different places simultaneously up to 200FT/60M apart (Wireless Frequency: 433 MHz). Monitor your whole home, basement or greenhouse confidently with the digital thermometer and humidity gauge..
  • 【Wide Measuring Range】Inside outside thermometer wireless measures indoor temperature from 50°F ~ 140°F(-10°C ~ 60°C) , and outdoor temperature from -58°F ~ 158°F(-50°C ~ 70°C) with ± 1°C accuracy. The indoor and outdoor humidity range is 20%-95% with± 5% accuracy. (Wet: humidity﹥70%.
  • COM: 40%≤humidity≤70% & 20°C≤Temperature≤28°C).
  • 【Max/Min Record & Alarm】 Wireless thermometer indoor outdoor with Max/Min and Alert functions on both indoor and outdoor temperature and humidity. The M....
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Smart PIR Motion Sensors: WiFi Motion Detector with Temperature and Humidity Sensor, USB/Battery Powered Movement Detector, Compatible with Alexa Google Home, for Smart Home Automation

  • ...e real-time monitoring. Once movement is detected or when disassembling with external force, instant notifications will be sent to your devices within a few seconds. Make Your Home Smarter..
  • BUILT IN SMART HYGROMETER AND THERMOMETER: Except for motion tracking, 3-in-1 Smart Motion Sensor alarm access temperature and humidity accurately,Remotely monitor temperature humidity. Send alerts via app when temperature or humidity goes out of preset value.(Support Alxea voice control to query temperature and humidity, and the alerts are sent via the App).
  • DUAL POWER SUPPLY AND LINKAGE FUNCTION: Motion detector alarm indoor can be powered by the included USB cable(included) or CR123A battery(included). More stable to receive alert.Long-term power supply,say goodbye to power outages. It can linkage with other smart home products, such as smart lights or door sensors, etc. Setting custom scenes in your smart home system, for example, turning on the lights if motion is detected..
  • 2.4GHz WiFi One-KEY CONNECT EASY SETUP: Don't need home gateway,you can easily achieve the intelligent control of home appliances,simple operation,easy to use..
  • SECURITY ALARM SYSTEM--CUSTOMERS: We guarantee that our 3- in-1 Infrared sensor alarms are qualified, and provide 24 months warrant....
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AMIR Wireless Indoor Outdoor Thermometer, Digital Hygrometer with Touchscreen LCD Backlight, Temperature and Humidity Monitor, 328ft/100m Range, Room Thermometer for Home Greenhouse Nursery Garden

  • 【Wide Range & High Accuracy】The outdoor/indoor thermometer remperature & Humidity rang: Indoor temperature 14°F-122°F（-10°C-50°C).
  • Outdoor temperature -40°F-158F(-40°C-70°C).
  • Humidity (20% - 95%). The temperature and humidity accuracy: ± 1℃ / ± 5%.
  • The Station and transmitter signal distance: 100M/328ft. (enhanced Wireless Frequency: 433 MHz).
  • 【Large Backlit Display & Touchscreen】Temperature and humidity monitor with 4'' Large LCD backlit display records outdoor and indoor temperature and humidity. Touchscreen design is easy to turn on the backlight to to make it clear and easy to read at night, 12 seconds auto-off. Automatic clearing of temperature and humidity MAX/MIN value records..
  • 【328ft/ 100m Remote Range】Digital hygrometer temperature gauge with a range of up to 328ft./100m can connect up to 3 Wireless Sensors(only one included) to ensure you can monitor multiple locations at once, such as your bedroom, nursery and outdoor temperature..
  • 【Multiple Installation Ways】This Room Thermometer for Home suport base stand & wall hanging, very convient to place.【NOTE: The station need 2* AAA Battery.
  • Sensor need 2*AAA Battery.(not included). When the sensor shows the low battery icon, that means you need to change the new batt....
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YoLink Smart Wireless Temperature & Humidity Sensor, Wide Temp Range (-22 to 158 Degree) for Freezer, Fridge, Green House, Pet Cage Monitoring, Smartphone Alerts, Works w/ Alexa IFTTT -Hub Required

  • ...ange in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property..
  • Environment Monitoring – Be informed of the current temperature and humidity of critical equipment and rooms, as well as receive instant notifications of changes based on your personalized criteria. Current temperature and humidity is displayed on the YoLink app, along with historical graphs, so you can monitor current and past temperature and humidity conditions. Receive email and smartphone banner alerts per your individual settings whenever a pre-set value is reached..
  • Low-Power Means Longer Battery Life – Because of the low power consumption, device batteries may last 2 years or more (depending on application and device usage/activity), on standard AAA Alkaline batteries (lithium batteries not required)!.
  • YoLink Hub Required but not included – YoLink Hub is the only central controller for YoLink devices, and it connects YoLink devices to the internet and the cloud. Without YoLink Hub, this sensor does not work with the YoLink app and does not support 3rd-party integration with Alexa and IFTTT. YoLink....
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ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor

  • 【Air Comfort Indicator】Humidity meter with humidity level icon indicates air condition -- DRY/COMFORT/WET, allowing this humidity sensor to ensure you’re always aware of changes to your home/household with just a quick glance.
  • 【High Accuracy and Quickly Refresh】Inside thermometer has high accuracy of ±2~3%RH and ±1°F, making it ideal for measuring fluctuating readings like in a greenhouse.
  • Data measurements are updated every 10 seconds to give you lastest changes of the environment.
  • 【High & Low Records】Accurate hygrometer digital thermometer displays high and low temperature & humidity, always get ready to the changes of the environment.
  • 【Healthier Home & Environment】Thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefits.
  • Can also be as refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer and more.
  • 【Smart Design】Indoor room thermometer features a tabletop stand to place the temperature monitor on your counter or use the magnetic back to attach to a fridge.
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GBlife Wireless Weather Station, Indoor Outdoor Thermometer Hygrometer, Weather Forecast Station with Large Color LCD, Remote Sensor, Temperature Humidity Monitor/Alerts, Alarm Clock

  • ☀【All-in-One Weather Station】 GBlife Weather station provides multiple information including Indoor outdoor temperature (°C/°F) & humidity, 24hours weather forecast, barometric pressure, alarm clock, moon phase, temperature alerts, trend arrow, time(12/24H), date, weekday, snooze function..
  • ☀【Indoor Outdoor Temperature Humidity Monitor】 Advanced sensor gives accurate indoor outdoor temperature and humidity readings. Indoor temperature range:  32°F (0°C) ~ 122°F (50°C), outdoor temperature range: -4°F (-20°C) ~ 140°F (60°C).
  • Indoor / outdoor humidity measurement range: 20% – 95%RH..
  • ☀【Colorful LCD Screen】 5*8 inch large display with clear numbers.
  • 5-level brightness setting meets different needs.
  • future 12 hours weather forecast and show you through 6 vivid icons including sunny, slightly cloudy, cloudy, rainy, heavily rainy, snowy..
  • ☀【Wireless Outdoor Sensor】 Remote sensor transmission range up to 60m/200 feet in an open area. Up to 3 RF channels can be connected at the same time, great to use in greenhouse, baby room, basement, warehouse etc..
  • ☀【Power Supply】Indoor weather station can be powered by AC adapter(included) or 2*AA batteries(not included). Outdoor sensor uses 2*AA batteries(not include....
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Reynoe 12 Inch Silver Aluminum Frame Wall Clock with Thermometer Hygrometer Battery Operated Silent Movement Decorative for Home

  • 【Silent Movement】Quiet sweep and precise quartz movements to guarantee accurate time, ensure a good sleeping and working environment..
  • 【Thermometer & Humidity】Our wall clock with thermometer and hygrometer function,built-in sensor to automatically measures Indoor/outdoor temperature and humidity..
  • 【Brushed Silver Frame】Size: 11.8" in dia. x 1.7" thick with bright frame. Brushed aluminum frame adds style to any decor..
  • 【Easy to Use】Hooks included with the clock which ensures easy installation. Powered by 1 AA battery(Not included), Brand New battery can last about 1 year..
  • 【Full Satisfaction Guarantee】One year manufacture warranty. If you are unhappy with this clock for any reason, contact us for a full refund or replacement..
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ThermoPro TP50 2 Pieces Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor

  • Air comfort indicator: Humidity meter with humidity level icon indicates air condition - DRY/COMFORT/WET, allowing this humidity sensor to ensure you’re always aware of changes to your home/household with just a quick glance.
  • High accuracy and quickly refresh: Inside thermometer has high accuracy of ±2~3%RH and ±1°F, making it ideal for measuring fluctuating readings like in a greenhouse.
  • Data measurements are updated every 10 seconds to give you lastest changes of the environment.
  • High & low records: Accurate hygrometer digital thermometer displays high and low temperature & humidity, always get ready to the changes of the environment.
  • Healthier home & environment: Thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefits.
  • Can also be as refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer and more.
  • Smart design: Indoor room thermometer features a tabletop stand to place the temperature monitor on your counter or use the magnetic back to attach to a fridge.
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ZWave temperature, humidity, dew point sensor: Aeotec aërQ, wireless, battery powered, SmartThings sensor, Z-Wave Plus, Z-Wave hub required

  • Wireless, battery powered, Z-Wave temperature and humidity sensor.
  • Super-small at 1.38 inches. It can be installed almost anywhere you need to measure temperature and humidity, and analyse some attributes of air health..
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