Features:
Can display the indoor and outdoor temperature.Wireless transmission function, you can know outdoor temperature with indoor receiver.Very convenient, a great item for home or office use.
Specification:
Material: ABSColor: WhiteTransmitter Power: Red LED IndicatorIndoor Temperature Measurement: 0~60COutdoor Temperature Measurement: -40~60CAccuracy: (+/-)1CWireless Transmission(in open air): 100 meters, 30 meters under most conditionFrequency: 433MHzUpdate Rate: 60 secondsTransmitter Battery: 2 x 1.5V AAA Batteries(Not included)Receiver Battery: 2 x 1.5V AAA Batteries(Not included)Transmitter Size: (L) x (W) x (H)6.6 x 5 x 2cm / 2.59″ x 1.97″ x 0.79″(appr.)Receiver Size: (L) x (W) x (H)8 x 5.5 x 1.7cm / 3.15″ x 2.17″ x 0.67″(appr.)Package included:
1 x Receiver1 x Transmitter1 x User Manual (English)

Detail Pictures: