Complete kit including the init managing the visual and audible alarm- equipped with a buffer battery and lighted emergency button under the unit to be placed in the room- 230 Vac 50 Hz power supply- Max- consumption on main power supply 20 mA- Buffer battery 12 VDC Ni-MH 1300 mAh- full recharge time 110 h- Autonomy without 230 Vac power supply: 20 h- Piezoelectric type sound signal with 95 dB power at 1 m- Visual signal of flashing red LED 12 Vdc type- IP65 emergency button with red 12 V LED- Potential-free contact in housing to activate other devices (tel- additional siren- etc-)