Digit Password Combination: This keypad door lock with sensitive password keys for easy operation. Never worry about losing your keys or strangers unexpectedly entering your house or apartments. Make sure this fits by entering your model number. HIGH QUALITY AND: The password door lock is made of high quality alloy lock case, the whole lock case is high quality alloy, waterproof. The is chrome plated, with exquisite craftsmanship and durability. After special cold rail treatment, hard casting. More effective against violent damage STRONG AND STURDY: High quality alloy lock case, the whole lock case is high quality alloy, waterproof. After special cold rail treatment, hard casting. The is chrome plated, with exquisite craftsmanship and durability. More effective against violent damage. Product parameter: Model: 38D; Password length: 2-4 digits; Lock tongue center distance: standard 60mm.