VENITEM 23.30.01 DUCALE LS opaque white-orange EN50131-4 siren with patented anti-shock anti-foam system against violent shocks

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