Operates on a sealed lithium battery with a 10-year service life

Includes integrated dust compensation for reliable performance

Features built-in AudioLINK+ functionality

Quick and simple to install using a twist-fit base, multiple fixing options, and an optional anti-tamper lock

User-friendly design with a large, easy-access test button

Certified to Grade F1 and Kitemarked in accordance with BS EN 14604:2005