SWS TH5051-5451-5551 Thermo Hygro Outdoor Sensor with Display

For use with the model SWS 5051 / 5451 / 5551
Operating Temperature Range: -20°C ~ +60°C 
Operating Humidity Range: 20% ~ 90%
RF Transmission Frequency: 433MHz
No. of Selected Channels: 3
RF Transmission Range: Maximum 30 Meters
Power Source: 2 x AA size 1,5 V ( Batteries Not Included )
Dimensions: ( w / h / d ) 65 x 100 x 35 mm
Weight of Wireless Sensor: 74 g