Brand: Veise Color: Oil-Rubbed Bronze Features: Keyless Entry: With 20 password code + 2 spare keys + one-time password for temporary visitors, the one-time code will automatically deleted after use. Smart and Convenient: With anti peeping function when entering passwords, and the front door lock set can ‘auto lock’ in 10-99 seconds, or press a key for 2 seconds to lock the door manually. Security Keypad Deadbolt: The smart door lock has BHMA certification, made with sturdy lock cylinder and alloy, powered by 4 AA batteries, work last for more than 1 year. Electronic Door Lock: Has backlit keypad and low battery alert, mute mode and vacation mode, water resistant, go perfectly with both traditional and modern house. Easy to Install: Just with a screwdriver, the door lock will be easily installed and program all by yourself in several minutes, compatible with all American standard left and right handed doors. In “Vacation Mode”, it won’t be able to be unlocked with user codes or one-time code, it will alert if anyone trys to unlock from outside or inside. (* The power consumption is too little to count in “Vacation Mode”. )