Features: LCD digital display: the LCD screen has large numbers, records minimum and maximum temperatures and provides historical temperature readings. With this feature you can easily monitoring temperature changes in your fridgerator, providing double protection for your food safety. Smart Thermometer: The wireless thermometer console includes audible and visual alarms when the temperature exceeds your preset minimum and maximum alarm settings. Easy to use: with multi function buttons on the main unit and signal indicators on the transmitter, you can turn the alarm on/off by simply pressing the corresponding key. Wide application: you can use it in your fridgerator, freezer or outdoors to provide safe food storage. Easy to install: This wireless thermometer is easy to install. The display unit can be stood on a table, hung on a wall and attached to a fridgerator with magnets. The wireless sensor can be clipped to the door or hung on the wall. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size:10cm * 10cm * 10cm Digital Thermometer measures the outside temperatures in interior rooms, might be the temperature of up to 2 wireless outdoor sensors additional 1 Sensor to monitor the different village, temperature display in ° F or ° C Monitoring: All time/24 hours maxes Min temperature recording. Temperature Sensor indicate whether it is in range of the remote sensor hotters or colder wird. Inner Outdoor Thermometer base perfect temperature control, the valuable skin, allergen and other treat advantages, it39;s in baby room, at home, nurseries school children. Indoor temperature range: 0 ° C to 60 ° C. Outdoor temperature range: -40 ° C to 60 ° C. Precise temperature: /- 1.0 Powered byThermometer: 2 x AAA Battery Not Included Powered byRemote Control: 2 x AA Battery Not Included 100M of distant area, with strong signal penetration moisture monitor gauge Package List: 1*Wireless Digital Temperature Sensor