PSA HG3000 HomeGUARD Photoelectric Smoke Alarm, Detector, 240V with 9V Alkaline Battery Back Up, 85dB @ 3mtr, 120mm Dia x 40mm, Surface Mount, White

Features:
• 240VAC with 9VDC battery backup
• Photoelectric Technology Design
• Insect screen over sensor chamber
• Operate as single or inter-connect up to 24 units
• Easy slide base plate which is also compatible with HG2000 base.
• Suitable for Ceiling or Wall mounting
• Single Test and Hush button
• Anti-tamper feature
• Loud 85dBA sounder ISO8201 sound pattern.
• ActivFire Listed & Tested and Approved to AS3786:2014