Weekly programmable digital timer switch makes your life smarter and more convenient. Panel mounted, easy to install. Features: Customizable: Easily set up to 16 independent ON/OFF schedules, it provides 15 daily schedule combinations which can provide great convenience to users when choosing the required days in a week to operate the timer. Wide usage: for lamp, fan, bread maker, LED grow light, fish feeder, automatic irrigator and more electrical appliances. Energy saving: automatically turn on/off the power, powered by DC voltage 12V. Built-in battery for power-off memory function. Digital LCD Display: Easy-to-read LCD screen, comfortable control buttons. Mini size, panel mounted. Transparent dust cover: dustproof and splash-proof, extends service life. Features: Voltage: DC12V Color: white and gray Material: plastic Screen display: LCD ON / OFF operation: 16 ON and 16 OFF Power consumption: 3 W Built-in battery: 3V 200mAh lithium battery Ambient temperature: 0~55 Item Size: 60 * 60 * 43mm / 2.36 * 2.36 * 1.69in Item Weight: 101g / 3.55oz Package size: 8 * 7.5 * 5cm / 3.15 * 2.95 * 1.97in Package weight: 122g / 4.28 oz Package List: 1 * Digital Timer Switch 1 * User Manual (English)