A retro fit timer that installs in 1 minute and requires no wiring - Simply fits over your existing light switch Can be used on single, double or triple gang light switches A light timer that works with any type of light fitting or light bulb including energy saving bulbs, CFLS and LEDs Home security 7 day digital timer, with up to 9 programs per day – featuring three modes - random, pre-programmed and manual The Light Switch Timer is approved & recommended by The Police through their Secured by Design crime prevention initiative, Manufacturer: Switched On Products