User Manual: 1. After setting the data, please wait 6 seconds. The module automatically saves the data to memory after 6 seconds. 2. Press the SET button once to enter time setting mode. The red LED will flash. Press the button to increase or decrease the duration T1. 3. After setting the duration T1, briefly press the SET button. The green LED will flash. Press the button to set the duration T2. Once T2 is set, press the SET button again. The system automatically saves the duration. You can also wait 6 seconds. The module automatically saves the data to memory after 6 seconds. 4. Press and hold the SET button to enter parameter setting mode. Two sets of parameters are available: P0 and P1. Briefly press SET to switch between P0 and P1. 5. In P0 mode, you can adjust the duration using the corresponding buttons. In P1 mode, you can set the duration using the addition and subtraction keys. P0: 0: T1 Timer mode: seconds. P0-1: T1 Timer mode: minutes. P0-2: T1 Timer mode: hours. P1-0: Timer T1, relay activation (timer T1). P1-1: Relay deactivation after timer T1 (timer T1). P1-2: Timer T1, relay activation (timer T1), then relay deactivation after timer T2 (timer T2). End of cycle. P1-3: Relay deactivation after timer T1 (timer T1), then timer T2, relay activation (timer T2). End of cycle. P1-4: Delay T1, relay activation (timer T1), then relay deactivation after delay T2 (timer T2). Cycle. P1-5: Relay deactivation after delay T1 (timer T1), then delay T2, relay activation (timer T2). Trigger timer (T2), cycling. Specifications: Timing range: 0-999 s, 0-999 min, 0-999 h Relay: 20 A Operating current: 10 A (maximum) Power: 1500 W (maximum) Dimensions: 79 × 26 × 43 mm / 2.99 in × 1.02 in × 1.69 in Cutout dimensions: 72 × 40 mm / 2.83 in × 1.57 in Principle: Time delay relay Contact load: Low power Model number: Digital time delay relay Application: General purpose Voltage: 24 V DC / 110-220 V AC / 12 V DC Color: Grey Material: Plastic Package Contents: 1 × Dual Display Time Delay Relay Only the above package contents are included. Other products are not included.