Technical specifications Power Typical battery lifetime Quiescent power consumption Maximum power consumption Low battery threshold Communication frequency Maximum radio-frequency output (ERP) Communication range Classification Environment Ingress Protection Code Operational temperature range Average operating humidity Dimensions 2x Lithium Battery type CR 2032 (3.0 V/0.2 Ah) (Type C power supply in accordance with EN 50131-6) Important: Batteries are not included in the packaging approx. 2 years (if activated 3x per day) 5 μA 40 mA < 2,4 V 868.1 MHz, Jablotron protocol 8 mW approx. 300 m (line-of-sight) Security grade 2/environmental class II (EN 50131-1) Indoor general IP 22-10 °C to +40 °C 75 % RH, w/o condensation 80 x 80 x 20 mm