Feature: 1. Mechanical Time Switch: Featuring a large dial with clear markings, the 24 hour mechanical timer allows for effortless time adjustment by simply rotating the dial clockwise, driven by quartz motor 2. Easy to Operate: This 24 hour timer boasts a manual switch, support both programmed timing (automatically turns on or off according to a schedule) and permanent on or off settings, offering flexibility 3. Installation Holes: Designed with mounting holes, this mechanical timer can be seamlessly integrated into equipment, built in control box, and more. Its compact size and lightweight design facilitate easy use 4. Sturdy and Lasting: This timer is crafted with a heat resisting ABS shell that can endure temperatures up to 150℃; With IP53 rating, transparent cover, water and dust proof, making it resilient in harsh environments 5. Wide Application: This mechanical time switch is suitable for a wide range of uses including street light, ventilation system, fountain, signboard, production equipment, and broadcasting equipment, and more Specification: Item Type: Mechanical Timer Battery: 1 x 1.2V 40mAh NiMH Battery (included) Battery Life: ≥300 hours Power Failure Compensation: 300 hours (Built-in Battery) Minimum Setting Time: 15 minutes Setting Cycle: 24 hours Setting Time: 15min/time, 96 times Reserve: 300H Frequency: 50-60Hz Contacts Capacity: 20A Power: 2W Product Size: Approx. 163 x 113 x 45mm / 6.4 x 4.4 x 1.8in. Package List: 1 x Timer Switch 1 x Battery with Wire 3 x Screws 1 x User Manual Note: 1. Installation by a qualified electrician.2. Please read the user manual carefully before use.3. Size and color may vary slightly due to manual measurement and different lighting conditions. Thank you for your understanding.