Wsdcam Small Wireless Door and Window Alarms White

To use the simple door security devices for Do-It-Yourself Home Security System Give you peace of mind, and keep yourself and your property safe &security.Wsdcam Door and Window Alarms will be triggered immediately once the two parts separated (wireless alarm host and magnetic strip).The alarms come with 4 in 1 function -- General Alarm, Constant Alarm, Closing-door Alert, and Door Chime.110 db loud alarm helps deter intruder and possibly notifies neighbors/homeowner, also helps notify you if visitors/children/Alzheimer/dementia patients/pets or others are coming/going. Product Feature:Well-made & Durable Quality110 dB Loud Alarm4-in-1 ModeSmall & light-weightSuper Easy to Install and UseLow Battery IndicatorPackage Including: 1 x Window alarms 1 x LR44 cell batteries Double-sided adhesive tapes  Peel & Stick InstallationNote:Ensure close the alarm and magnetic strip, the installation distance between them should not exceed 0.78 inch.The 2 parts need be alig