Schlage FE576 CAM 505 ACC CAM Built-in Alarm, Camelot Collection Keypad Accent Lever Door Lock, Bright Brass Choose the alert mode (Type of alarm) and sensitivity (level of touch that Sets off alarm) to customize the lock to your specific security needs Activity alert: two short beeps let you monitor when the door has been opened or closed; perfect for monitoring doors while at home Tamper alert: one long alarm sounds when the door knob or lever has been disturbed; perfect for when everyone is inside Forced entry alert: a shrill, steady siren triggers at first impact and acts as a theft deterrent; perfect for protection against break-ins Weather-resistant, silicon-coated keypad so numbers don't wear off Resistant to pick and bump security attacks, certified as meeting ANSI Grade 2 standards-one of the highest security ratings in the industry Easy to use: Programming done right at the lock Guaranteed fit on exisiting pre-drilled doors, installs in just 5 minutes with a screw driver - no wiring required Two AAA and one 9V battery (included)-with three-year battery life-and low battery indicator Lifetime limited warranty on mechanical components and finish, one-year electronics warranty