Mechanical Countdown Switch: This is a mechanical countdown switch. The time interval can be adjusted with the rotary knob. The countdown switch can power electrical appliances for the set time and automatically turn them off. Accurate Timer: The countdown switch is made of high-quality plastic, which makes it environmentally friendly, safe, and durable. The shortest setting time is 1 minute and the longest setting time is 60 minutes. The timer is very accurate. Energy Saving: The countdown timer is the ideal solution for saving energy in bedrooms, exhaust fans, sprinklers, garages, and laundry rooms. Save energy by setting the time according to your needs. Useful in Many Places: Our countdown timer is ideal for your bathroom, closet, pantry, garage, laundry room, spa, covered patio, etc. Easy to Use: Thanks to the large time scale, you can quickly set the time and see it clearly. The LED indicator reminds you if your electrical appliances are on. Show more