Material: ABS
Color: White
Transmitter Power: Red LED Indicator
Indoor Temperature Measurement: 0~60°C
Outdoor Temperature Measurement: -40~60°C
Accuracy: (+/-)1°C
Wireless Transmission(in open air): 100 meters, 30 meters under most condition
Frequency: 433MHz
Update Rate: 60 seconds
Transmitter Battery: 2 * 1.5V AAA Batteries(not included)
Receiver Battery: 2 * 1.5V AAA Batteries(not included)
Transmitter Size: (L)X(W)X(H)6.6X5X2cm / 2.59"X1.97"X0.79"(appr.)
Receiver Size: (L)X(W)X(H)8X5.5X1.7cm / 3.15"X2.17"X0.67"(appr.)

Features
Brand New and high quality.
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.