Product Keyless Locking for Family RV Living: Eliminate the hassle of driving; items in drawers will remain stable and undisturbed. Enhance your privacy with keyless access, allowing you to open and close effortlessly at any time. Status: Once installation is complete, press the unlock button followed by the close button. Multi-scenes: Easy-to-use snaps can be fitted in various locations such as yachts, RVs, drawers, boat tables, cabinets, furniture, and more. Simplify your life. Specification: Material: ABS + Chrome plating (sturdy, durable, and eco-friendly) Plate thickness: 14 to 16mm Aperture: 20mm Lock Screw Hole Distance: Approximately 36.19mm Packing list: Keyless button lock x 1 screw (each lock includes 2 long screws and 2 short screws) Installation steps: 1. Drill a 20mm hole and install the ring. 2. Insert the lock base through the hole from the inside of the drawer. 3. Use a Phillips screwdriver (60mm from the edge) to secure the lock with the longer screw. 4. Attach the "L" lock to the lock plate with the short screw. Ensure that tabs and latches are correctly positioned for successful installation.