Peace Of Mind Starts With Great Security Adding security for your family and property with the reliable Defiant keyless entry technology. Brings peace of mind without the worry of losing keys. User-friendly features offer ease of installation, operation and customizable programming. 17 point enables easy driving with no predrilling and minimal wood splitting. Anti-saw rod. Simple installation. no hard wiring. ANSI BHMA grade 3 security. User codes can be turned off as needed (vacation mode) Auto-lock with adjustable delay (10-99 seconds). Power bolt proof Backlit keypad for increased visibility. Low battery indicator. 2 keys included. Operates with 4 AA batteries (not included). Can be installed on doors 1 3/8 inches to 1-3/4 inches