Usage: The TM618 timer module can automatically turn on or off various electrical devices and power supplies according to preset times. Compatible devices include streetlights, lights (signs), electrical appliances, broadcast equipment, etc. This digital timer switch features a built-in rechargeable battery (1.2V/40mAh), high-accuracy CMOS chip, strong anti-jamming capability, and is easy to use. LCD display for easy reading. Suitable load capacity and voltage output. Specification: Type: Timer Switch Category: Electronic Model Number: TM618H-1 Max. Current of Output Load: 16A Minimum Interval: 1 Maximum Interval: 7 Countdown OFF Time Range: 1 min ~ 24 hours Clock Display Timer (12/24hr) Time Deflection Correction, Weekly Sleep Mode You can use the timer 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 maintains memory (saves your settings) during power failure. Time error correction: +/- 30 seconds per week. Repeat programs with 16 on/off settings; manual on/off control available. Easy-to-read LCD display with LED indicators. Temperature Range: -20C to +50C Power Supply: 110V AC Power Consumption: 4.5 VA (MAX) Display: LCD Switching Contact: 1 changeover switch Hysteresis: 2 sec/day (25C) Capacity: 16(8)A 250V AC Black-out: 60 Timer Range: 1 min ~ 168 hr Average Error: 1 sec/24h at 25C Material: ABS + electronic components Color: White Package Contents: 1 x Timer Switch Note: Only the above package content is included; other items are not included. Note: Light reflection and differences in display screens may cause slight color variations between the item and the image. Measurement error allowed is +/- 1-3 cm.