Microcomputer Time Control Chip: Using industrial grade 8-bit chip, small error, high stability, precise travel time, the daily travel time error is less than 2 seconds. / li 16 Switch Parameter Groups: Support 16 groups daily on / off, one automatic button, can be set to cycle day / week. Two-way control design, 3.4 is a normally open switch, 3.5 is a normally closed switch and 3.4.5 are connected as dual control switches. High Power Relay: This timer switch adopts high quality patch welding and uses 30A high power relay. Built-in battery charge, power-off memory about 60 days. Passive Output Design: Time control circuit and load circuit are separated from each other. There is no common ground circuit, which reduces interference, the product performance is more stable, and a passive output at the output can also be used for signal control. Convenient Operation: Raised keys, separate word keys, high sensitivity. After installation in the electrical cabinet, the operation is still convenient. Rail type time controlled switch, open circuit size 2P, suitable for installation of electrical distribution box. Product Installation method DIN rail installation, DIN rail is not included. Repeat programs with 16 ON / OFF settings. 4. Adjustment precision down to the minute. The LCD screen displays the hours / minutes and ON / AUTO / OFF in real time. I General electronic time switch with daily and weekly programs. L The LCD screen displays the hours / minutes and ON / AUTO / OFF in real time. Package includes: 1 x timer 1 x English manual Features: Input voltage: AC220V Current: 15A Power: 3000W Nominal contact voltage: AC 180V to 264V (50 / 60Hz) Load capacity: 16A 250VAC (resistive load) Instruction: when you use the timer switch for the first time, input AC and charge the built-in battery please, then press the reset button. Press and hold the time button for 5 seconds until it displays AM to enter 12 hour mode. Press and hold the hour button again for 5 seconds to return to 24 hour mode. Features: Display: LCD Power: 4.5 VA (max) Error: 2s / day (25 ) Mounting method: DIN rail (not included) Hardcover: 1 min to 168 hours Operating temperature: -10 to 55 Size: 86 x 36 x 65mm / 3.38 x 1.41 x 2.56 On / off operation: 16 on and 16 off (manual / automatic)