Specifications: Input Voltage: Ac/Dc12V, Ac/Dc24V, Ac110V, Ac220V(Optional) Current: 15A Power: 3000W Contact Voltage Rating: Ac 180V To 264V(50/60Hz) Load Capacity: 16A 250Vac(Resistive&Nbsp;Load) On/Off Operation: 16 On And 16 Off(Manual/Auto) Display: Lcd Power: 4.5Va(Maxs) Error: ≤2S/Day(25℃) &Nbsp;&Nbsp; Mounting Method: Din Rail(Not Included) Bound: 1 Min To 168 Hours Operating Temperature: 10℃ To 55℃ Size: 86 X 36 X 65Mm / 3.38 X 1.41 X 2.56" Quantity: 1 Instruction: 1, When You Use The Timer Switch For The First Time, Input Ac And Charge The Inbuilt Battery Please, Then Press Reset Button. 2, The Timer Switch Is At 24-Hour Mode As Default. Press And Hold "Time" Button(Bottom Left, Nexta To "Reset") For 5 Seconds Till It Display "Am" To Set To 12-Hour Mode. Press And Hold Again "Time" Button For 5 Seconds To Set Back To 24-Hour Mode. Programming: Step Button Programming 1 Press P Setting"1 On" Time(Display 1 On) 2 Press D+ Select Days Of Week(If You Want Same Set For Every Day, You Do Not Need To Press This Button) 3 Press H+/M+ Set Hours And Minutes 4 Press P Setting "1 Off" Time(Display 1 Off) 5 Press P Select Days Week(If You Want Same Set For Every Day, You Do Not Need To Press This Button) 6 Press H+/M+ Set Hours And Minutes 7 Repeat Step 2 To 6 Set Other On/Off Time 8 Press "Time"(Bottom Left, Nexts To "Reset") End Package Includes: 1 X Timer Switch 1 X English Manual