HEIMAN Indoor Siren, can be easily plugged into a power socket.
The HEIMAN Smart Siren gives the alarm with 95dB loudness and with a red flashing LED. A special security feature is the integrated backup battery. With this battery the siren stays active, even in case of a power failure or when a burglar removes the siren from the power socket.
Due to its easy Plug&Play installation you retrofit your security system in the twinkling of an eye.