Weekly programmable digital timer switch makes you life smarter 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 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: \u22641 sec\/day (25\u2103) ON\/ OFF Operation: 16 ON \u0026 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\u2103-40\u2103 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)