TOMTOP LCD Digital Wireless Indoor/Outdoor Thermometer Hygrometer

Features:
Display indoor outdoor temperature and humidity at the same time with ℃/℉ temperature unit for selection.
Adopt wireless technology，you can know outdoor temperature and humidity in indoor receiver.
Record max/min indoor and outdoor temperature and humidity.
Alarm function of upper and lower limits of indoor and outdoor temperature and humidity.
Can be placed on the table with a bracket or hung on the wall with a hanging hole and magnet.
With portable transmitter to induce outdoor temperature humidity and transmit within 100m without obstacle.
Temperature humidity meter is powered by 3 * 1.5V AAA batteries or DC 5V, transmitter is powered by 2 * 1.5V AA batteries.(Not included)