Specifications-Power: 230 V / 50 Hz, 1 W, protection class II- Battery: 3.6V; 170mAh- Battery life: 3 years- Operating frequency: 868 MHz- Communication distance: approx. 100 m (in line of sight)- Sounds (melodies): 8, selectable for PG output indication- Sound level of the siren: 90 dB / 1 m- Dimensions: 90 x 64 x 80 mm- Protection class: IP40 in accordance with EN 60529- Environmental class: II for indoor use and in accordance with EN 50131-1- Operating temperature: -10°C to + 40°C- Security degree: 2 in accordance with EN 50131-1, EN 50131-4, EN 50131-5-3- Complies with standards: ETSI EN 300220-1, EN 50130-4, EN 55022, EN 60950-1