CallToU Waterproof Push Button 1000+ Feet Classroom Home Office Business Store Color:2 Button+1 Battery Receiver This alarm can remind us

This alarm can remind us that the child is awake and detect that the child is in a in dangerous place

How to pair more transmitters and select music

Operating Range is 500+ Feet in open Area

It keeps you peace of mind at home

you can set the alert to repeat multiple times instead of the usual single beep

CallToU Waterproof Push Button 1000+ Feet Classroom Home Office Business Store Color:2 Button+1 Battery Receiver This alarm can remind usMultifunctional Battery Doorbell: This wireless portable doorbell is very versatile, you can use it as an ordinary doorbell for home, classroom, office, business; you can also use it as a call bell for the elderly, children, patients, disabled, pregnant women and other family members who need help. Portable & Indoor & Outdoor: This portable doorbell is powered by 3 AAA batteries, it can still work properly for you when the power is off or there is no