Saswell T19WHB-7-RF - Features

3
 Power supply: 4 AAA batteries, USB power supply ;
 Frequency band: 868MHZ
 Display temperature range : 5℃~50℃
 Temperature accuracy: 0.1℃
 Operating temperature: 0~50℃ ;
 Humidity range：90%
 Shipping & storage temperature：-20~65℃
 Dimensions：124*88*21MM
 Installation: can be installed on the wall or mounted in 86 junction box or
on the American standard junction box
FEATURE: