Check the listing for details. Smart Door Lock, Knob, Electronic Keypad with 50 codes,keyless,for home & office. Color: Black, Condition: Open box. Listed at 37.08 USD. 【24/7 Security】Our digital lock is using on doors where keyed entry and security is needed. Ideal for Home, Company, Hotel, Apartment, Rental Property Management and Vacation Rental Host【Keyless Access】Operated by electronic keypad or backup key. Lock your door with one single touch. Backlit for increased visibility to be seen easily in all conditions【E-Z Installation】With the detailed manual, you will be able to install this electronic lock all by yourself. No skills required, no hard wiring needed, installs with just a screwdriver. Waterproof level: IP54【Wide Use】The electronic entry lever features a convenient one-touch locking system, 50 programmable user codes. The electronic lever fits a 2 3/8 inch to 2 3/4-inch door thickness