Complete kit including the visual and audible alarm control box, with buffer battery, and the luminous emergency button in a box to be placed in the room. Power supply 230 Vac 50 Hz. Max. consumption on main power supply 20 mA. 12 VDC Ni-MH 1300 mAh buffer battery, 110 h full recharge time. Autonomy without 230 Vac power supply: 20 h. Piezoelectric sound signal, 95 dB at 1 m. Red flashing LED 12 Vdc visual signal. IP65 emergency button with 12 V red LED illumination. Potential-free contact in box to activate other devices (tel, additional siren, etc.).