Mechanical Countdown Switch: This is a mechanical countdown switch, the time interval can be controlled by the switch knob. The countdown switch can make electrical appliances work for the set time and stop automatically. Accurate Timer: The shell of the countdown switch is made of high-quality plastic, which makes it environmentally friendly, safe, and durable. The shortest set time is 1 minute and the longest set time is 60 minutes. The time setting is very accurate. Energy Saving: The countdown timer is the ideal energy-saving solution for bedrooms, exhaust fans, sprinkler systems, garages, and laundry rooms. Save energy, adjust the time according to your needs. Suitable for Many Places: Our countdown switch is very suitable for your bathroom, closet, pantry, garage, laundry room, spa, enclosed patio, etc. Easy to Use: The large time scale helps you set the time quickly and read the time clearly. The LED indicator can remind you if your electrical appliances are on. Specifications: Housing material: Plastic Switch mode: Single control Installation method: Surface mounted Rated voltage: 110-240V Maximum current: 10A Minimum time interval: 0 min Maximum time interval: 60 minutes Approximate dimensions: 86 x 86 mm Features: The countdown timer switch is very easy to install with the wiring connection type, it has a standard wall outlet panel, also convenient to replace. Energy saving, the water pump and household appliance will work according to the time you set and you don't need to worry about it. The countdown timer switch is very suitable for lights, exhaust fans, heaters, pumps and is compatible with LED, CFL, and incandescent bulbs. Package includes: 1 x Timer Switch 2 x Mounting Screws