The Schlage Keypad Deadbolt allows you to lock and unlock your door without using a key. Ideal for front and back doors as well as garage entry doors, home offices, this electronic deadbolt provides security and simplicity for the entire home. Silicone rubber, wear-resistant buttons with LED backlight make access safe and easy. Trust your home to Schlage, makers of high-quality, innovative door hardware for over 100 years. KEYLESS CONVENIENCE Use 2 preprogrammed codes for easy setup out of the box; assign up to 19 codes for trusted friends and family to experience convenient, keyless security.Control MethodApplication.Note Measure your doors backset, cross bore and thickness to ensure you find the right fit. PREMIUM SECURITY Highquality metal construction provides strength where it counts; Grade 2AAA rating offers trusted security and durability for residential and light commercial applications BATTERY POWERED FOR RELIABLITY Deadbolt operates with included 9V battery; avoid lockouts with dedicated lowbattery indicator; get up to 2 years of battery life with typical use SECURE KEYPAD ACCESS Durable, siliconecoated numbers illuminate when pressed making it easy to enter your code in the dark EASY INSTALLATION Replace an existing deadbolt yourself with no skill required; install in minutes with only a screwdriver and no hardwiring EASY OPERATION Unlocks from the outside with valid user code and locks by pressing the Schlage button and turning outside thumbturn; locks and unlocks from the inside using the thumbturn TRUSTED WARRANTY Schlage locks are backed by a limited lifetime mechanical and finish warranty, and a 3year electronics warranty; see Schlage warranty for full details Operating Temperatures Outside escutcheon 35C to 66C,Inside escutcheon 10C to 50C