The programmable mechanical timer makes your life smarter and more convenient. IP53 rating extends the range of working environments. Easy to use, easy to install.Features:Mechanical Timer: Large dial with clear scale, turn the dial clockwise to set the time; the drive method is quartz motor.Easy Operation: 24-hour timer, with manual switch, supports program timing (automatically turns on/off according to schedule) and permanent on/off. Built-in battery for reserve.Easy Installation: With mounting hole, the timer is intended to be embedded in integrated equipment/control box, etc. Compact size and light weight make installation easy.High Quality: 150 C heat-resistant ABS housing, durable and corrosion-resistant; Supports IP53 protection level, can withstand harsh environments. Wide use: for street lamps, ventilation, fountains, advertising signs, production equipment, broadcasting and television equipment and more. Transparent dust cover: dustproof and waterproof, extends the service life. The transparent design has no effect on the viewing of the dial. Note: 1. Installation should only be carried out by a qualified electrician. 2. Please read the user manual carefully before use. 3. The size and color may be slightly different due to manual measurement and different lighting conditions. Thank you for your understanding.Specifications:Color: GrayMaterial: ABSVoltage: AC 100-240VFrequency: 50-60HzBattery: 1.2V 40mAh NI-MH batteryContact capacity: 20APower: 2WTime range: 24HMinimum interval: 15minSetting time: 15min/time, 96timesReserve: 300HIP rating: IP53Item size: 163 * 113 * 45mm / 6.42 * 4.45 * 1.77inPackage size: 16.5 * 12 * 4.5cm / 6.50 * 4.72 * 1.77inPackage weight: 309g / 10.90ozPackage list:1 * Timer Switch1 * Battery with line3 * Screw1 * User Manual (English)