... to programmable control of electric cooker ,booster ,lamp,water heater,sprayer,bottler,preheater ,agriculture facilities and broadcasting equipment etc. ... Relative Humidity:<95%Weight:160gSetting Method:First time use the timer switch,pls input AC and let battery recharge, after ... be supplied by single-phase ,and the power consumption is no more than the switch's rating capacity(resistance load 25A, ...