Voltex - 240V Hard Wired Photoelectric Smoke Alarm with 9V, 10 Year Lithium Backup Battery (Inbuilt Wireless Module)

Power Supply -  mains connected, with replaceable non-rechargable 10 Year backup lithium battery (9V DC)

Interconnectivity - Standard Hard Wired and Optional Wireless (Wireless module inbuilt to unit)

Sensing Type - Photoelectric

Interconnection (Hardwired) - Maximum 24 paired alarms (total wired and wireless), Maximum length 150m with 1.5mm² SDI cable.  Accepts 10mm x 16/25mm trunking into base for surface mounting applications.