Schlage FE51V ACC 619 CAM Camelot Style Keyed Entry Accent Lever with Built-in Alarm, Satin Nickel 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 Easy to install, no wiring required, installs with just a screwdriver, fits all standard door preps