AHC15A 220V Digital Clock Programmable Timer Switch Programmable Digital Clock Digital Timer Switch Programmable Weekly Timer(220V) （Industrial Grade Chip） The digital clock has built-in rechargeable battery and industrial grade chip, strong anti-interference. General purpose digital electronic clock with daily and weekly programs （Wide Application） With high precision and strong anti-interference ability, the timer switch is ideal for controlling street lighting, neon sign, production equipment, radio and television and many other household appliances （High Precision） Repeat programs with 16 settings ON. / OFF Adjustment precision down to the minute. LCD screen displays hours/minutes and ON. / AUTO / OFF In real time （Automatic Open/Close） This timer switch can automatically turn on/off all kinds of electric devices according to the time set by the user. Advanced presets one week in advance Functions: Input voltage: AC/DC12V, AC/DC24V, AC110V, AC220V (optional) Contact voltage: AC 180V to 264V (50/60 Hz) Load capacity: 25A 250VAC (resistive load) On / Off: 16 on and 16 off (manual / automatic) Display: LCD Power: 4.5 VA (max. ) Error: ≤2s / day (25 ℃) Limited: 1 min to 168 hours Working temperature: -10℃ to 55℃ Size: 86 x 36 x 65mm / 3.38 x 1.41 x 2.56in Programming: Step 1: Button: Press P; Programming: time setting "1 ON" (display 1 on ) Step 2: Button: Press D+; Schedule: choose the days of the week (if you want the same settings for every day, you don't need to press this button) Step 3: Button: Press H+/M+; Programming: set the hours and minutes Step 4: Button: Press P; Programming: time setting "1 OFF" (display 1 off) Step 5: Button: Press P; Schedule: Select the days of the week (if you want the same game every day, you don't need to press this button) Step 6: Button: Press H+/M+; Programming: set the hours and minutes Step 8: Button: Press "time" (bottom left, next to "reset"); Programming: finished