Feature: *The weekly timer is equipped with an LCD display and an LED display to make reading more intuitive and clear. *16 on/off programs per day, 15 combinations per week and the product supports 24-hour/7-day programming. *The on/off timer is equipped with a countdown function and allows a maximum countdown of 24 hours until switching off. *The built-in large capacity CR2450 battery ensures the storage of the set programs in the event of a power failure. *The product is equipped with a 35mm DIN rail mounting which is easy to use and therefore ideal for home use. *Application: can automatically turn on and off various electrical devices at preset time. It is widely used in street lights, neon signs, lights, water heaters, air conditioners, billboards, rice cookers, compressors, sprayers, bottlers, preheaters, agricultural facilities and radio equipment. Specification: Model:TM919B Type: Timer Switch Material: plastic Functions: Time display (12 hour/24 hour format), timer, countdown Power supply: 12V, 24V, 110V, 220V Capacity: 30A, 5000W Time range: 1 minute to 168 hours Programs: 16 on/off per day Power consumption: