Weekly programmable digital timer switch makes your life smarter and more convenient. Panel mounted, easy to install. Customizable: Easily set up to 16 independent ON/OFF schedules, 7-day programming, 1-minute minimum interval. Wide use: Compatible with lamps, fans, bread makers, LED grow lights, fish feeders, automatic irrigators, and other electrical appliances. Energy-saving: Automatically switches power on/off. Supports 220-240V AC, 24V DC/AC, or 12V DC/AC (selectable voltage). Built-in battery maintains settings during power outages. Digital LCD display: Clear screen with user-friendly buttons. Compact size, panel-mounted design. Auto lock function: Timer switch locks automatically after 15 seconds of inactivity. Specifications: Voltage: 220V / 12V / 24V (selectable). Color: White. Material: Plastic. Screen display: LCD. Hysteresis: ≤1 second per day (at 25°C). ON/OFF operations: 16 ON and 16 OFF cycles. Power consumption: 2W maximum. Minimum interval: 1 minute. Countdown range: 1 second to 99 minutes 56 seconds. Pulse range: 1 second to 59 minutes 59 seconds. Load capacity: Resistive load: 16A / 250V AC. Lagging load: 10A / 250V AC. Lamp load: 2000W. Switching contact: 1 changeover switch. Built-in battery: 1.2V 40mAh Ni-MH battery. Operating temperature: -10°C to 40°C. Operating humidity: 35% to 85% RH. Item size: 60 x 60 x 30mm / 2.36 x 2.36 x 1.18in. Item weight: 58g / 2.0oz. Package size: 7 x 7 x 4.3cm / 2.76 x 2.76 x 1.69in. Package weight: 72g / 2.5oz. Package contents: 1 x Digital Timer Switch, 1 x User Manual (English).