Easy to install and operate - pool/gate/door alarm with remote Multi-purpose - magnetic contact door alarms/doorbell chime/door alarm for pool/fridge door alarm/prying door alarm Keep remote in sync - More than one remote sensors can be synchronized. Magnetically triggered - alarm sounds when window or interior door is opened by kids elder & dementia. Prevent any mishap - keep children away from cabinets, ground pool,alcohol. Monitoring wandering, sleepwalking, elderly themselves out of bed, avoid all kinds of dangers.The wireless home alarm has 4 modes--- Arm/Disarm/Panic/Doorbell mode controlled by the remote. Super loud - real 105 dB dB Compact, magnetically triggered alarm sounds when the window or door is opened. Multi-purpose - includes entry chime setting that alerts you when people or children are coming and going when you're home. Useful in various applications - ideal for bedrooms, hotels, garage, apartments & dorm rooms; pool safety alarm; sliding glass door. Easy to change from off to chime to alarm mode by remote Easy to install - self-adhesive types included Requires 2xAAA batteries (not included) Energy-saving - continuously work over 12 months(based on on/off five times a day)