Programmable Mechanical Timer Makes your life smarter and more convenient. IP53 rating for diverse environments. Easy to use and install. Features: Mechanical timer with large, clear dial Rotary dial for easy time setting; quartz motor driven. Simple operation: 24-hour timer with manual switch, supports scheduled timing (automatic on/off) and permanent on/off. Built-in battery backup. Easy installation: Mounting holes for embedding in equipment/control boxes. Compact and lightweight for simple installation. High quality: 150°C heat-resistant ABS housing, durable and corrosion-resistant; IP53 protection level for tough environments. Wide application: Street lighting, ventilation, fountains, signs, production equipment, broadcast and TV equipment, and more. Transparent dust and waterproof cover extends lifespan; doesn't obstruct dial visibility. Note: Installation should only be performed by a qualified electrician. Read the user manual carefully before use. Size and color may vary slightly due to manual measurement and lighting conditions. Thank you for your understanding. Specifications: Color: Gray Material: ABS Voltage: AC 100-240V Frequency: 50-60Hz Battery: 1.2V 40mAh NI-MH battery Contact capacity: 20A Power: 2W Time range: 24H Minimum interval: 15min Setting time: 15min/time, 96 times Power consumption: 300H IP rating: IP53 Item size: 163 * 113 * 45mm / 6.42 * 4.45 * 1.77in Package size: 16.5 * 12 * 4.5cm / 6.50 * 4.72 * 1.709in Package weight: 1.709in. 0 oz.