Batterie-Backup-Sirene ADX502B

Battery back up siren This siren is usedwhen someone wants to cut the wire to shut down the power, once triggered ,it will send out clear buzzer to remind the user that there is alarm. Very applicable to something highly-valved. Small size making it not easy to discover. Back upbatteries inside,able toget charged for nearly 500 times Good quality and highly praised by customers Specifications: Rated Voltage:12VDC Output Power:15W/20W/25W Rated current:550/1000/1200mA S.P.L.:108dB+/-3dB Operating Temperature:-20 60'C