Features: Mechanical Timer Switch: Large dial with clear scale; rotate the dial clockwise to adjust time. Powered by a quartz motor. Easy Operation: 24-hour timer with manual switch. Supports programmed timing (automatically turns on/off according to schedule) and permanent ON/OFF modes. Built-in battery backup. Easy Installation: Equipped with mounting holes for integration into equipment or built-in control boxes. Compact size and lightweight design allow for easy installation. Durable Construction: 150°C heat-resistant ABS casing, durable and corrosion resistant. Meets IP53 protection rating, suitable for harsh environments. Wide Application: Ideal for street lights, ventilation systems, fountains, advertising boards, production equipment, broadcasting, and television equipment. Transparent Dust Cover: Provides dustproof and waterproof protection, extending service life. Clear design allows easy viewing of the dial. Note: 1. Installation must be performed by a qualified electrician. 2. Please read the user manual carefully before use. 3. Slight variations in size and color may occur due to manual measurement and differences in lighting or display. Specifications: Color: Grey Material: ABS Voltage: AC Frequency: 50-60Hz Battery: 1.2V 40mAh NI-MH Battery Capacity: 20A Power: 2W Time: 24H Minimum Interval: 15 minutes Setting Times: 15-minute intervals, up to 96 cycles Reserve: 300H IP Rating: IP53 Item Size: 163 x 113 x 45mm / 6.42 x 4.45 x 1.77in Package Size: 16.5 x 12 x 4.5cm / 6.50 x 4.72 x 1.77in Package Weight: 309g / 10.90oz