The SP-4004 siren distinguishes itself with its technology of protection against harsh environmental conditions. This protection allows it to ensure full compliance with the rigorous requirements of EN50131 for the Grade 2 sounders. Optional backup battery allows to use the SP-4004 in a self contained mode for the installations in places particularly exposed to tampering risk.

full EN50131 Grade 2 compliance
acoustic signalling: piezo
optical signalling: LED
inner metal shield
tamper protection against:
removal from mounting
opening
optional 6 v 1,2 Ah battery
built-in level to facilitate aesthetic mounting