Features: The Plug in Timer Switches offer precise 24 hour segment timing, allowing you to control appliances up to 3120W with ease and enhances home security by deterring burglars through automatic on/off functionality. Featurings mechanical structure drivens by a physical dials or gears, this timer Switches operates without batteries or external power, ensuring high reliability and longevitys while minimizing electronic component failure risks. Ideal for all users, especially seniors or those unfamiliar with devices, thanks to its intuitives manual knob setting that requires no complex programming. Perfect for various, from managing household appliances like water heaters and humidifiers to controlling office equipment such as water dispensers and advertising lightboxes for energy efficient operation. With ability to function during power outages, the Timer Switches serves as excellent backup solution when electronic timers fail, maintaining essential timing needs effortlessly. Specifications: Material: ABS Size:76x85x120mm/2.99x3.34x4.72inch Plug : UK plug, EU plug, US plug(optional) Package Includes: 1Set Timer Switches note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!