Power reserve - Mechanical timer with power reserve, R200h (230V) and R100h (110V). The pollution level is only 2, save more energy and money when you are away from home. Two-way Switch Design - The contact adopts a two-way switch, the error is less than 3 mm (μ), and the power consumption is up to 1 VA, compatible with compact LED bulbs, etc. Digital Display - The digital display is clear and intuitive, 2x40W parallel correction and easy to use, very reliable, used to automate most small household appliances. Memory Function - The timer switch comes with a memory function, the power supply can retain the last set time after power off, use on your fans, lamps, hydroponics, etc. Quick Setting - The panel supports simple and quick setting, and the setting time is clear at a glance, one-touch button is easy to understand and easy to use