Loud 85 decibels at 3 metres
No mains wiring required
Requires 1 x 9v battery
A pack of two smoke alarms which can be placed in separate locations in the home for thorough protection from fire. Featuring a test button to enable regular checks to be carried out. Powered by batteries, this alarm set ensures your home is protected even in the event of a power cut. 1. Loud alarm 85decibels at 3 metres. No wiring required. Requires 1x 9V battery, included. Always read instructions.