Usage: The TM618 timer module can open or close various electrical devices and power automatically according to preset times. It can control streetlights, lights (signs), electrical appliances, broadcast equipment, etc. The digital timer switch includes a rechargeable battery of 1.2V/40mA, high-accuracy CMOS chip, strong anti-jamming capability, and is easy to use. LCD display, easy to read. Excellent load capacity and voltage output. Specification: Type: Timer Switch Category: Electronic Model Number: TM618H-4 Max. Current of Output Load: 16A Minimum Interval: 1 minute Maximum Interval: 7 Countdown OFF Time Range: 1 min ~ 24 hours Clock Display Timer (12/24-hour Format) Auto Time Deflection Correction, Weekly Sleep Mode Can be used to switch on/off any electrical equipment at a preset time 16 ON/OFF programs per day, 15 combinations per week Programmable 24 hours / 7 days a week Built-in battery for memory backup during power failure (saves user settings) Auto time error correction +/- 30 seconds, weekly Repeat programs with 16 on/off settings; manual on/off control available Easy-to-read LCD display with LED indicators Temperature Range: -20°C to +50°C Power Supply: 12V DC Power Consumption: 4.5 VA (MAX) Display: LCD Switching Contact: 1 changeover switch Hysteresis: 2 sec/day (at 25°C) Capacity: 16(8)A 250V AC Black-out: 60 Timer Range: 1 min ~ 168 hr Average Error: 1 sec/24h (at 25°C) Material: ABS + electronic components Color: White Package Contents: 1 x Timer Switch Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allows an error of +/- 1-3 cm.