Description: This timer can automatically turn on/off all kinds of electrical equipment according to the time the user sets. It has a built-in rechargeable battery and an industrial-grade chip. With high accuracy and strong anti-interference ability, the timer is excellent for controlling street lights, neon lights, production equipment, radio and television, and many other household appliances. Features: Advanced pre-setting one week in advance. Digital electronic general purpose timer with daily and weekly programs. Repeat programs with 16 ON/OFF settings. Minute-level setting accuracy. LCD displays real-time to hour/minute and ON/AUTO/OFF. DIN rail installation, DIN rail not included. Specifications: Current: 15A Power: 3000W Switching Capacity: Resistive 16A On/Off Operation: 16 on and off (manual/auto) Display: LCD Power Consumption: <4W Error: 2s/day Mounting Method: DIN rail (not included) Limit: 1 min to 168 hours Operating Temperature: -10 to 55 Size: 86 x 36 x 65 mm / 3.38 x 1.41 x 2.56 \" Quantity: 1 Battery: 1.2v 40mah NiMH battery (built-in) Instruction: 1, When using the timer for the first time, plug in AC and charge the built-in battery, then press the reset button. 2, The timer is in 24-hour mode by default. Press and hold the \"time \" button (bottom left, next to \"reset \") for 5 seconds until it shows \"AM \" to set 12-hour mode. Press and hold the \"time \" button again for 5 seconds to return to 24-hour mode. Programming: StepButtonProgramming1Press PSetting \"1 ON \" time (displays 1 on)2Press D+Select weekdays (if you want the same setting for each day, you don't need to press this button)3Press H+/M+Set hours and minutes4Press PSetting \"1 OFF \" time (displays 1 off)5Press PSelect weekdays (If you want the same setting for each day, you don't need to press this button)6Press H+/M+Set hours and minutes7Repeat steps 2 to 6Set other on/off times8Press \"time \" (bottom left, next to \"reset \")EndPackage includes:1 x Timer1 x English manual.