Mechanical Countdown Switch: This is a mechanical countdown switch, the time interval can be controlled by the switch button. The countdown switch can drive electrical appliances during the set time and turn off automatically. Precise Timer: The countdown switch is made of high-quality plastic, making it environmentally friendly, safe, and durable. The shortest setting time is 1 minute and the longest setting time is 60 minutes. The time setting is very precise. Energy Saving: The countdown timer is the perfect energy-saving solution for bedrooms, exhaust fans, air conditioning systems, irrigation, garages, and laundry rooms. Save energy, adjust the time as needed. Applicable to Many Places: Our countdown switch is very suitable for your bathroom, cabinet, pantry, garage, laundry room, spa, enclosed patio, etc. Easy to Use: Large time scale allows you to set the time quickly and read the time clearly. The LED indicator can remind you whether your electrical appliances are turned on. Features: Housing Material: Plastic. Switching Mode: Single Control Installation Method: Surface Mount Rated Voltage: 110-240 V. Maximum Current: 10 A. 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 wire connection type, it has a standard wall outlet panel, also convenient to replace. Energy saving, the water pump and household appliance 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. Contents: 1 Timer Switch. 2 Mounting Screws