General Features: Power supply: 2 AA batteries 1.5V; Battery
life: approx. 2 years based on a standard use; Transceiver frequency: 868MHz; Max.
radiofrequency transmitted power: < 10mW; Protection degree: IP 30; Operating
temperature: 0 ÷ 50°C; Storage temperature: -20 ÷ +70°C; Shell: white ABS; Compact
case; Shell size: 48x63x74mm; Internal temperature sensor.
Electric Features: Power supply: 2 AA batteries 1.5V;