【New Upgrade Design】Our newly upgraded XTEILC RV Door lock is different from most RV Door locks on the market. It can connect two remote controls at the same time. Also includes an integrated password keyboard, mechanical key. There are three ways for you to open the door. It can provide you and your family with better safety and property protection when traveling in a motorhome..【Suitable Size Range】RV Keyless Entry Door Lock will only fit 2.75" x 3.75" Lock Hole. For door thickness request, we offer three sizes of screws, which can be easily matched as long as the thickness of the door is between 32-38mm (1.25 "- 1.49"). Please confirm the size of door lock and lock hole before purchase..【Safety and High Quality】The whole body of the Camper Door Lock Keyless Entry is made of 100% metal material. Improved waterproof, dustproof and shockproof design can be easily adapted to various complex and strict environments and better prevent the noise generated by the RV when it encounters bumpy roads..【Intimate Design】If you don't want to disturb people resting in or near the car in the morning or lunch break, need to turn off the sound. Just press and hold "1" to turn off / on the beep ing sound.Or if you enter the RV at night, don't worry. Our backlight panel will light up when you press it to help you better enter the RV..【Easy to Install】Our RV Door Lock Keyless Entry is easy to install. The package comes with 1x RV Door Lock, TWO Key-fobs, 4x Mechanical Keys,4x AA Batteries, 1x Screwdriver,1x Replaceable button stickers, Mounting Hardware & Owner's Manual/Install Guide.You can check the manual or watch the explanation video in the link to install it.