1、14 groups of capacitor core processing chip, more accurate and sensitive to switch. 2、Precision manufacturing, provides strong anti‑interference ability. 3、Powered by 1 AAA removable battery (not included), easy to replace. 4、The shell is made of flame retardant material, which is safe and reliable. 5、Used for timing charging of mobile phone, battery, battery car, effectively prevent overcharging. 6、Used in electric water heater, electric heater, electric rice cooker, humidifier, air purifier and other household appliances to realize automatic switch. 1 x Timer Switch1 x Instruction Condition: Brand NewItem Type: Timer SwitchMaterial: ABSColor: As picture shownType No.: KG316TBattery: 1 x AAA removable battery (Not Included)Function: Fully Automatic Turn On/off All Power EquipmentStandard Operating Voltage: 220V/50Hz Applicable Power Supply Range: Voltage AC 170-240V Optional Switch Capacity: 10A/20AInstallation: Screw FixationOperating Temperature: -10-50 ℃Relative Humidity: < 95%Consumption Power: ＜4VA Weight: Approx. 450g/ 15.9ozTiming Range: 1 Minute - 168 Hours, free setting from monday to sundayTiming Error: < ± 0.5S/DayProgramming Times: 10 Sets of Switches/Per Day