CallToU Waterproof Push Button 1000+ Feet Classroom Home Office Business Store Color:2 Button+1 Battery Receiver by the lanyard

by the lanyard

It alerts you with vibrations and peace sound when your kids or elderly need you

The button is made from soft rubber to provide a comfortable touch experience and waterproof oilproof features

How to pair more transmitters and select music

It comes with a lanyard

CallToU Waterproof Push Button 1000+ Feet Classroom Home Office Business Store Color:2 Button+1 Battery Receiver by the lanyardMultifunctional 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