Analog siren via radio for Aritech analog control panels. With white flashing lamp. IP54. Selectable frequency. It occupies one address on the loop. Red color. For ceiling mounting. Maximum acoustic power range: 99dB at 1m. Powered by 3 AA batteries and 3 C batteries, it can provide up to 5 years of life. Dimensions with base: 120x145mm. Certificates: CE and CPR (EN54 parts 3 and 23).