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.

Features:

- 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