VENITEM 23.31.09 DUCALE LSP opaque white-orange EN50131-4 siren with patented anti-foam system and anti-puncture 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 flashing control programming - flashing reset input - optical ON-OFF signalling system instantaneous system and permanent — electronic circuit protected from polarity reversals and tropicalized in