EXTECH RH200W Multi-Channel Wireless Hygro-Thermometer

Temperature - Indoor Base Station:
-Range: 23 to 122°F (-5 to 50°C)
-Resolution: 0.1°F/°C
-Accuracy: ±1.8°F (1°C)
Temperature - Remote Transmitter (RH200W-T):
-Range: -40°F to 140°F (-40°C to 60°C)
-Resolution: 0.1°F/°C
-Accuracy: ±1.8°F (1°C)
Relative Humidity:
-Range: 1 to 99%RH
-Resolution: 1%RH
-Accuracy: ±5%RH
Wireless Sensor Signal: 433MHz
Number of Remote Transmitters: Base Station can connect up to 8 Transmitters (RH200W-T)
RF Transmission Range: 98ft (30m)
Dimensions: Base: 5.1 x 4.4 x 1.1" (130 x 112 x 27.5mm); Transmitter: 4.5 x 2.4 x 1.6" (113 x 61 x 39.5mm)
Weight: Base: 10.4oz (295g); Transmitter: 4.8oz (136g)

Datasheet

Manual