Replacement Smoke Alarm for BRK 660MBX and 670MBX easichange® SBBRKSM

The SBBRKSM easichange kit replaces the discontinued BRK 660MBX optical and 670MBX ionisation smoke alarms and fits onto your existing BRK twist-fit alarm baseplate so there's no need for any DIY or an electrician Kit Contents: SBBRKSM replacement optical smoke alarm head with pre-connected easichange adaptor, an easichange removal tool, a quick change guide, and the full alarm manual. Optical sensor technology improves on the detection of slow smouldering fires and reduces the chances of false activations. Hardwire interlink allows compatible easichange alarms to communicate over the same wiring as your old BRK alarms, so that all sound the alarm if one detects a fire. Single test/hush button for easy maintenance and silencing false alarms Supplied with FREE easichange replacement tool, Manufacturer: Zhejiang Jiaboer Electronic Technology Co Ltd