VENITEM 23.27.26 MURANO LS siren without EN50131-4 cover-cap with double micro anti-shock anti-foam system against violent shocks

12 Vcc self-powered siren with high brightness LED light and low absorption - double tamper reed anti-opening and removal - sound and timing programming - alarm counting - self-control with a charging microprocessor, battery and speaker with relative negative anomaly output - siren control - separate flashing light - flashing reset input - optical ON-OFF signal instantaneous and permanent system — electronic circuit protected from polarity reversals and tropicalized