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
• available also in blue (SP-4004 BL) and orange (SP-4004 O)