Features High performance timer, three-wire input and three-wire output, which help solve the problem that some customers cannot wire the neutral conductor conveniently. Simply set the time from ON/OFF with a total of 17 on/off settings. From Monday to Sunday, each setting can be set at least one minute apart and the maximum time is 168 hours (equivalent to 1 week), which is possible to temporarily turn on and off manually. As long as it It is widely used in three-phase 350V-420vac motors and other equipment such as water pump, fish pond oxygen supply, rice steamer machine, water heater, billboard, neon lamp, exhaust fan and so on. Can achieve unmanned management, safe and reliable, stable performance, is a very good choice. Built-in battery, turn off memory. No program reset required, convenient and practical. Package List