Specification: Item Type: Smart Door Lock Material: aluminum alloy, stainless steel, zinc alloy Purpose: Suitable for all kinds of scene environments, suitable for installing all kinds of hardware doors Power supply: 4 AA batteries (self-provided) Lock body working current: 100uA (standby), 200mA (working) Storage capacity: 256 remote controls Remote control frequency: 433MHz Remote control battery type: 1 x CR2016 150 mAh (included) Add a remote control 1.Put in 4 AA alkaline batteries. 2.Press the study button next to the battery compartment, the lock body will beep and the green light will flash. 3. Press any button on the remote control, lifting the wheel will "beep" and the green light will stop flashing, then the remote control is added. 4. Press the lock and unlock buttons on the remote control to test the lock and unlock functions respectively. The green light is on when the lever is unlocked. When it was locked, the red light would come on. After testing, replace the battery compartment cover and it can be used. Delete the remote control 1.Long press the learning button next to the battery box, and the lock body will make a "beep". Continue to press the button until the lock body emits a continuous beep and the red light flashes. At this point, all data has been cleared to continue using the remote control, according to the steps above to add the remote control can be added again Disable the auto lock function 1. The dial switch #1 is turned to [digital], then the magnetic induction of the door will be turned off and the auto lock and relock function by mistake will be turned off. 2.The dial switch #1 is turned to [ON], then the magnetic induction of the door will be activated, and the auto lock and error lock functions will be activated. Disable Low Power Auto Unlock 1.The dial switch #2 is turned to [digital], then the low power auto unlock function is turned off. 2.The dial switch #2 is turned to [ON], then the low power consumption auto unlock function is activated. Package List: 1 x Smart Door Lock 1 Lock Tab Box 2 Remote Controls 10 Screws 1 User Manual