1、Including the handle and the bottom basin, both are made of durable zinc alloy. This handle is designed for doors with hinges on the right (the most standard door) and is equipped with a heavy‑duty steel core to improve durability. 2、It only takes 5‑10 minutes to install, the keyboard lights up at night for easy use, and is powered by 4pcs AA batteries (total: 6V, alarm below 4.2V, battery not included), you can also easily write your own Code to set the required keyless entry lock code. If you forget your password, you can also reset it. 3、There are 5 unlocking methods in total, including keyless handle, integrated keyboard password (maximum number: 8), remote control, mechanical key, maximum 20m/65.6ft wireless control distance. 4、High strength, IK07 shock resistance, IP65 waterproof, fireproof, ‑30‑60℃ high and low temperature resistance, WF1 corrosion resistance, it provides you with better safety protection for your family and property. 5、Widely used, applicable door thickness is 32‑38mm (1.25‑1.49in), door opening size: width is 85‑87mm (3.35‑3.42in), height is 91‑93mm (3.58‑3.66in), suitable for RV , Buses, yachts, ferries, trucks, etc. Item Type: Motorhome Keyless Entry Door Lock Material: Zinc AlloyRemote Control Battery: Button battery, CR2025 (120mAh) x 1 (including battery) Door Lock Battery: 1.5V AAA x 4 (battery not included) Application: Suitable for RV , Buses, yachts, ferries, trucks, etc. Installation Notes: 1. Carefully take out your motorhome lock from its packaging and place all the parts on a flat surface. 2. Remove the screws fixing the battery cover and install 4 AA alkaline batteries. (Host battery not included) 3. Push the front handle of the door lock of the new motorhome into the opening of the front door, and at the same time carefully pull the wire in front of the door lock and pass through the opening. 4. Then keep the front handle in place, fix it, and attach a new pad. 5. Hold the rear handle of the housing car door lock and connect the battery cable to the new door lock. A sound indicates that the connection is successful. How to Use: 1. Turn the switch on the back of the handle to "on", then press the "FOB Learn" button, located above the on/off switch on the back of the handle, a short beep will confirm that you have entered the programming mode. 2. Now press the lock button on your remote control until the handle is synchronized with a long beep (it may take 2-3 clicks). 3. Finally press the unlock remote button to confirm whether the bolt on the door handle can be used. 1 x Lock 2 x Keys 1 x Remote Control 2 x Door Bolt 6 x Fixing Screw 1 x Manual