Specifications: Condition:Brand New Material: Metal shell, zinc alloy lock cylinder Color: Black & color keyboard Password lock battery: 4 1.5V dry batteries (without battery) Unlocking Method: Password, remote control*2, key*2 Remote control distance: 20m/65ft Package included: 1 x RV door lock(without battery) 1 x Remote Controller 2 x Keys 1 Set Mounting Hardware 1 x Instruction Please note that : password setting: 1. Write down the password you want to set below. (Recommended 4-8 digits). 2. Long press "8", press "LOCK" at the same time, and then release it at the same time. Hearing a long beep of "beep" means that you have entered the password setting mode. 3. Enter the default password (1234), and then press the "LOCK" key. 4. Enter the new password and press the "LOCK" key. 5. Re-enter the new password and press the "LOCK" key. If you hear a long beep, it means that the password is set successfully. 6. Method to verify whether the password setting is successful. Enter the new password, and then press the "lock" or "unlock" key to see if the lock can be closed or unlocked normally. -If the setting is unsuccessful, press and hold the CODE RESET button on the back handle for 5 seconds to reset. -If no operation is performed for ten minutes, the key panel will go out. If you perform a wrong operation, just start again from the first step.