Features: Adopted quality plastic shells and highly conductivity coppers inside material, good performances, durable. Programmable countdown for time switches . The timer switches can make the electrical appliances working the setting for time and stop automatically. Timing ranges can be controlled by the knob of the switches, it is very easy to set. Wall mount, suitable for fan, water heaters, pump, routers, fish-tanks, lamps and other electrical appliances and so on. Specifications: Material: ABS Model: 15minute timer switches without indicators light/30minute timer switches without indicators light/60minute timer switches without indicators light/120minute timer switches without indicators light/15minute timer switches with indicators light/30minute timer switches with indicators light/60minute timer switches with indicators light/120minute timer switches with indicators light Size: As shown in the picture Model: 86 Panel Package Includes: 1x Timer Switches 2x Screws note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.