Weekly programmable digital timer switch makes you life smarter and more convenient. Panel mounted, easy to install. Features: Customizable: Easily set up to 16 independent ON/ OFF schedules, 7 days programmable, 1 minute minimum interval. Wide Use: For lamp, fan, bread maker, LED grow light, fish feeder, automatic irrigator and more electrical appliances. Energy-Saving: Auto switch on/ off the power supply, 220-240V AC, 24V DC/AC or 12V DC/AC voltage for option. Built in battery for power off memory function. Digital LCD Display: Easy to read LCD screen, comfortable operating buttons. Mini size, panel mounted. Auto Lock: If there is no operation within 15 seconds, the timer switch will automatically be locked. Specifications: Voltage: 220V/ 12V/ 24V (Optional) Color: White Material: Plastic Screen Display: LCD Hystresis: ≤1 sec/day (25) ON/ OFF Operation: 16 ON & 16 OFF Power Consumption: 2W (max.) Minimum Interval: 1min Countdown: 1 sec-99min56sec Pulse: 1 sec-59min59sec Load Capacity: Resistive Load: 16A/ 25V AC Lagging Load: 10A/ 250V AC Lamp Load: 2000W Switching Contact: 1 Changeover Switch Built-in Battery: 1.2V 40mAh NI-MH Battery Ambient Temperature: -10~40 Ambient Humidity: 35%-85%RH Item Size: 60 * 60 * 30mm / 2.36 * 2.36 * 1.18in Item Weight: 58g / 2.0oz Package Size: 7 * 7 * 4.3cm / 2.76 * 2.76 * 1.69in Package Weight: 72g / 2.5oz Package List: 1 * Digital Timer Switch 1 * User Manual (Engish)