SPECIFICATION
Transmitting Frequency: 433MHz
Indoor Temperature: 32to 140 with 0.2 resolution(0 to 60 with 0.1 resolution)
Outdoor Temperature: -21.8to -157.2with 0.2resolution(-29.9to 69.9with 0.1resolution)
Temp Accuracy: +/-2(+/-1)
Transmitting Range Maximum 112 feet (35mm)open space Beceiver 3* AAA 1.5V Transimitter 2* AAA 1.5V