ScaffAlarm is a unique intruder detection system designed to deter attempted break-ins or access to higher levels of scaffolding. The system connects up to 32 PIR detection devices which have a 110 decibel sounder, beacon alarm and are linked on a fully wireless mesh which communicates back to a control panel. The system can be fitted with an auto dialler for quick notification back to a site manager or security guard. The system can also be connected into the Cygnus 1 fire and first aid alarm system providing full site security. Devices available with lithium batteries.