Item Type: Mechanical Timer Switch Model: TB118N Material: ABS Operation Mode: Handle insertion and release Frequency Range: 50 to 60 Hz Power Failure Backup: 300 hours with built-in battery Minimum Setting Time: 30 minutes Rated Voltage: 220–240 V Drive Mechanism: Quartz motor Maximum Number of Timed Events: 48 Built-in Battery: NiMH, 100 mAh (pre-installed) 1. Wide Application: Suitable for automatic control of neon lights, water heaters, street lights, stairwell lights, aquaculture systems, garden irrigation, motors, advertising displays, and office equipment. 2. Synchronous Pulse Motor: Features a synchronous pulse motor for strong interference resistance, low power consumption, and stable performance. 3. Programmable: Enables scheduling to avoid peak electricity demand, optimize power distribution within set time windows, and improve energy efficiency. 4. Automatic Control: Designed for residential or industrial applications requiring scheduled on/off control of electrical loads. 5. Easy Installation: Compact and lightweight design for simple mounting and operation. Includes: 1 x Mechanical Timer Switch 1 x User Manual