Feature: 1. The mechanical timer is a module of DIN rail, easy to install in the lighting box, with small size and beautiful appearance. 2. The time base assembly adopts synchronous pulse motor, have strong anti‑interference and low consumption. 3. Can be programmed to avoid power peaks and allocate power within time limits to save energy. 4. Can set 8 programs to control the on or off of electrical appliances within 24 hours, or set 48 programs within a week. 5. Suitable for water heaters, water dispensers, street lights, stair lights, advertising light boxes, aquaculture, irrigation, automatic control of office power supply, and any place that needs time control in civil, home or industry. Specification: Item Type: Mechanical Timer Material: ABS Model: SUL181d Time Range: 24 hours Electrical Life: 100,000 times Mechanical Life: 10,000,000 times Working Standby Time: 220VAC 200 hours, 110VAC 100 hours Minimum Setting Unit: 15 minutes Setting Time: 96 times Working Temperature: -20-+50℃ Time Accuracy: ≤1s/day at +20℃. Package List: 1 x Mechanical Timer1 x English User Manual Note: Do not use outside the parameter voltage range.