Usage: TM618 Timer Module (1.6-inch LCD screen) can automatically turn on or off various electrical appliances and power supply according to preset time. Items can be used for street lighting, neon lights (signs), advertising signs, electrical appliances, transmission equipment, etc. The digital timer switch has a rechargeable battery, 1.2 V/40 mA, high-precision CMOS circuit, strong anti-interference, easy to use. Why choose SinoTimer TM618? 1. 1.6-inch LCD screen. 2. Excellent load capacity, voltage-free output. 16 A @ 250 V AC 3. Easy programming, everyone can program it after reading the manual, just set the time once. 4. Stable performance thanks to professional manufacturing of energy savers since 2002. 5. Meets CE standards and has LVD, EMC certificate approved Features: * You can use the timer to turn ON/OFF all electrical appliances at a preset time * 16 ON/OFF programs per day, 15 combinations per week. * Programmable 24 hours / 7 days a week. * Countdown OFF for time intervals 1 minute to 24 hours * Built-in rechargeable battery to back up memory (save your set programs) during power outages * Automatic correction of time error +/- 30 seconds, weekly * Repeat programs with 16 ON/OFF settings and manual ON/OFF setting, * Easy-to-read LCD screen, LED indicators. Technical Data: Model: TM618N-4 Power Source: 12 V for DC/AC Temperature Range: -20 °C +50 °C Display: LCD Power Consumption: 4.5 VA (MAX) Programs: 16 ON/OFF per day or week Switch Contact: 1 AC switch Minimum Interval: 1 minute Timer Interval: 1 min ~ 168 hours Countdown OFF for Time Interval: 1 min ~ 24 hours Capacity: 16(8) 250 V AC Hysteresis: 2 seconds/day (25 °C) Power Outage: 60 days Built-in Rechargeable Battery: 1.2 V 40 mA Average Error: 1 s/24 h, 25 °C Size: Approximately 60 x 60 mm/2.36 x 2.36 inches Material: Plastic Color: White Quantity: 1 piece Note! No retail packaging. Conversion: 1 cm = 10 mm = 0.39 inches. Allow 0-1 cm tolerance due to manual measurement. Please ensure you have no objections before placing a bid. Due to differences in screen displays, the color on the product image may slightly differ from the actual item. Thank you! Package Content: 1 x Timer Switch (other accessories shown in the picture are not included.)