... rechargeable 4. CCC & CE certification ZYT15 1NO1NC ELECTRIC DIGITAL TIMER Function and ApplicationThis product can automatically switch on and switch ... time. It is widely used in programmable control of electric cooker, booster, lamp, water heater, sprayer, bottler, preheater, ... 86×65mm Weight:120g Operation instructionsFirst time use this timer switch, please input power supply and let battery ...