UniquExceptional Motion Activated Alarm w/ Keypad - Set of 3

This compact motion sensor will detect anyone who attempts to enter the protected area. If motion is detected a powerful 130 dB alarm will sound to scare off the intruder and alert others to your need for help. The owner may arm or disarm the unit using a programmable security code. Ideal security for home,retail, store, office, or hotel.Requires four AA batteries (not included) Features: *Effective low cost security for your home, business, garage, storage shed, dorm, room, etc. * Wireless - simple installation * Can be wall mounted or portable * Entry and exit delays prevent false alarms * Includes 1 FREE window decals to deter intruders. * Create your own security code * Automatic reset once motion is no longer detected for 60 seconds * Detection area of 20 feet long by 60 degrees wide * Low battery indicator * External alarms for this unit can be found at Amazon ASIN #B008PDHW4Q * Can also be powered by AC adapter (not included)