Features: This RV keyless entry lock can be unlocked with a-key, which is simple and convenient. It also can be unlocked with a single pull. Tensile test, strong anti-collision ability. Zinc alloy lock cylinder, stainless steel-shell make it waterproof and rust-proof. It is also equipped with a set of keys, hich can open several locks at the same-time. It is made of zinc alloy die-casting, not easy to deform, sturdy-and durable, clean, hygienic, waterproof, shockproof design, safe and thick, novel design, easy to use and install. Specifications: Material:Plastic+Metal Size:Approx.22.8x15.5x10.8cm/8.97x6.1x4.25inch Color:Black Name:RV Door Lock Type: RV Keyless Door Lock RV Parts: RV Accessories Surface-treatment: spray black Scope of application: RV door lock Password setting: (factory password: 1234) Press the number-key 8 continuously and press the lock button at the same-time until you hear a sound. Enter the factory password 1234, and then press the lock button. Enter the password you want, and then press the lock button. Package Includes: 1 Set Door Lock Latch note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.