Keypad Deadbolt, Keyless Entry Lock Single Cylinder Front Door Lock with Polo Knob Featuring 1 Touch Motorized Locking, Auto Locking and Easy to Install, Stain Nickel, Complete Door Handle Set: The keypad deadbolt lock comes with a matching handle and a Polo interior knob, it acts as a unit, you do not need to buy the extra door handle, Faithful Guardian: ANSI/BHMA Grade 3 certified, the Highest Residential Security Rating, ensures your security. Customizable automatic door locking after 10-99 seconds for peace of mind, All-Weather Protection: This keypad door lock with a handle is waterproof, it works in snow, rain, salty air, and it’s capable of withstanding temperatures ranging from -20°C/-4°F to 70°C/158°F, Long Battery Life: Our scientific tests in the lab show that the 4 AA (1.5v, LR6) alkaline batteries can be used for more than one year if you lock or unlock it 10 times per day, Keyless Entry & 6 User Codes: 1 touch locking, back-lit keypad, 6 customizable user codes in 4-10 digit along with one-time use codes, low battery indication, easy to install and program, all features are for your convenience, ,