Function: The TM618 timer module can automatically open or close various electrical appliances and power sources according to the preset time. It can be used for street lights, lights (signs), electrical appliances, transmission equipment, etc. Digital timer switch with a rechargeable battery (1.2V/40mA), high-precision CMOS chip, strong anti-interference, easy to use LCD display, easy to read Load capacity, voltage output Specification: Type: Timer switch Electronic Model number: TM618H-4 Max. Output Current: 16A Minimum interval: 1 Maximum interval: Countdown OFF interval: 1 min ~ 24 hours Clock display TIMER (12/24 hours) AUTOMATIC TIME ADJUSTMENT, WEEKLY SLEEP MODE You can use the timer to turn on/off all electrical devices at a preset time 16 ON/OFF programs per day, 15 combinations per week Programmable for 24 hours / weekly Built-in battery for memory backup (save the programs you set) in case of power failure Automatic time adjustment +/- 30 seconds, weekly Repeat programs with 16 ON/OFF, and set ON/OFF manually, Easy-to-read LCD display, LED indicators Temperature range: -20°C to +50°C Power source: 12V DC Power consumption: 4.5 VA (MAX) Display: LCD Switch contact: 1 switch contact Hysteresis: 2 seconds/day (25°C) Capacity: 16(8)A 250V AC Power failure: 60 Timer interval: 1 min ~ 168 hours Average error: 1s/24h, 25°C Material: ABS + electronic components Color: white Package content: 1 x Timer switch Only the above package content included, other products not included Note: 1. Conversion: 1 cm = 10 mm = 0.39 in 2. Allow +/- 0-1 cm error due to manual measurement. Please ensure you are satisfied before purchasing. 3. Due to differences between screens, the color in the image may not match the actual product. Thank you!