ATTENTION-GRABBING – extremely loud 120 dB alarm helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors. USER-FRIENDLY – The alarm has ON/OFF button. ATTRACTIVE & CONSUMER-PREFERRED – superior to other home security products, this premium white alarm looks great inside your home EASY INSTALLATION – no wiring needed, plus sensor mounts on either side of alarm for easier set up; The alarm is powered by 2pcs AAA batteries. EXTRA LEVEL OF SECURITY