Timeguard 360 degree flush mount ceiling pir presence detector timeguard slfm360 this 360 deg pir is ideal for burglar alarm systems made by timeguard this ceiling mount pir ensures unparalleled catch performance br br it is adaptable and provides excellent all round protection in a variety of applications from a discrete flush mounted installation in a home to office landings requiring additional protection other applications include stairways or storage areas where movement of s