La Crosse Wireless Temperature Station #WS-9009TWC

The Weather Channel® - Wireless temperature station feature wireless indoor/outdoor temperature (°F), records minimum/maximum temperature, has a low battery indicator for receiver and sensor power, and can be wall hanging or free standing. Actual size: Receiver- 3.27"L x 1.14"W x 4.33"H/Sensor- 1.28"l x .56"W x 3.41"H.

Specifications: Temperature range: 14.1°F to 140°F (Indoor), -19.9°F to 140°F (Outdoor). Power requirements: Receiver-2 "AA" alkaline batteries (not included), Sensor-2 "AAA" alkaline batteries (not included).  Item:# 172198