***** **********Best Quality Guranteed. *****Loud 110dB-enough to scare the intruder or notify neighbors. Prevent Robbery. *****CHIME MODE - is ideal to prompt you when child, guests or dementia patients are opening the door. *****ALARM ACTIVATED - when the parts are separated, recombined stops. *****EASILY INSTALLATED - in pool doors/refrigerator/drawer/freezers/interior door for kids safety. battery can last longer. *****100% SATISFACTION SERVICE - 3xLR44 batteries included, also Low battery indicator. provides 100% customer satisfaction guarantee, 1-year warranty and 24*7 customer support.