VENITEM 23.30.21 DUCALE LSP opaco-smoky white siren EN50131-4 with patented anti-foam system and anti-perforation circuit

DUCALE LSP opaco-smoky white siren EN50131-4 with patented anti-foam system and anti-perforation circuit Self-powered 13.8 VDC 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