[Multi-way unlocking ]The RV lock includes an integrated password keyboard, mechanical key, and remote control (the maximum wireless control distance is 60 steps). You can get in and out of the RV without having to carry the keys. If you forget to carry the key, you can also enter by entering the key code. [Backlit Keypad] The keypad of this rv keyless entry door lock is backlit design, it will when press any button, helps you see the keypad clearly in dark. [Low Battery Alert] door lock is powered by 4 AA batteries. Batteries are not included in the package. When the battery is low, the lock will sound an alarm to remind you to replace the battery with a new one. [Multi-scene application]Keyless entry RV locks are widely used in , buses, yachts, ferries, mechanical luggage, trucks, etc. It is simple and convenient, and can be controlled remotely with a remote control. The design of keyless entry to the RV allows you to enter and exit the RV without carrying the key. If you forget to carry it, you can also enter by entering the key code. Material: Plastic+Metal colour: black Package Contents: 1 x RV lock 2 x Remotes 2 x Keys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.