Smart Home Security System, Window Alarm Sensors, Door Alarms for Kids Safety, Freezer Refrigerator Door Alarm System, Apartment Security System, WiFi Freezer Alarm, Motion Door Chime Sensor

?【Upgraded Window Alarms】: Chime mode will sound twice when the door/window is opened, alarm mode will keep sounding when door or window is opened., ?【Keep Your Store or Home Security】: When burglar opens or break-ins the store or home, the sound will scare off the burglar and notifying you immediately., ?【Easy to Install】: No wiring Is needed, Simple peel-and-stick installation, you can install them in your Door, Window, bedroom, Pool, garage, or your Store and Office., ?【Protect Your Kids Safety】: This door alarm is a good reminder, it will send alarms to warn you if your kids who sneak out bedroom or house and also will alert you if someone opens your door/ window., ?【Gift】: This alert chime is a good gift for relatives and friends to use to remind visitors, family anti-theft, etc. Home automation and security. Get alerted instantly with a Door Open Alarm.