Fitted with CAVIUS CORE technology, the 240v Mains powered Photoelectric Smoke Alarm is the smallest and most aesthetically pleasing 240v interconnected alarm. CAVIUS alarms have been designed and manufactured to cope with the harsh environments, they include two levels of mesh screening to minimise insect and dust contamination – alleviating the potential for nuisance alarms. They have an easy to access 10-minute hush button (or the alarms can be silenced using the remote.