Legrand 643087 Photoelectric Smoke Alarm, Detector, 240V with 10 Year Lithium Rechargeable Battery Back Up, 85dB @ 3mtr, 108mm Dia x 102.6mm, Flush Mount, White

The Flush Photoelectric Smoke Alarm provides a neat and tidy finish and is ultra streamlined in terms of installation and maintenance. It's an ideal solution for residential and commercial properties.

Features:
• Inter-connectable: The device can be connected to a maximum of 20 units.
• Integrated lithium battery: 10 years of use.
• Hassle-free installation: Uses the same cut-out as a 90mm downlight.
• Protective covering: An enclosure which stays encased around the device during the installation process.
• Internal mesh covering: A fine mesh covering around the detection chamber within the device to reduce smaller dust particles and other foreign matter from entering.
• Safe Installation ceiling clamps: The mounting unit is fitted with safety clips to ensure it's securely fitted into the ceiling before the electronic unit can be attached.
• Suitable for Commercial Installations: Featuring a compact canister (52mm), this product is suited to the ceiling space found in many commercial installations.
• Fully compliant: Adheres to the Safety Standard - AS 3786:2014.