Unicom 24-Hour Segment Timer Offering a simple yet effective way to protect your home, this security timer works by switching your lights on and off to make your home look occupied when you're away. It's designed with 24-hour dial divided into 15-minute segments you can simply push to select, so you can schedule the lights to come on automatically at any time of day. It's easy to set up and there's no programming required - simply plug the timer into a wall socket, then plug in the lamp. 24-hour dial with 15-minute segments Manual override switch Dimensions: H7.5 x W7.5 x D7.3cm Colour: White