About this product

Doorbell for Large Homes: 1 push buttons simultaneously trigger 2 chime units. Great for large homes, apartments, offices & classrooms. You’ll never miss a chime!

Specification: One drag, two sounds

Product color: Black

Plug: American standard

Volume: 0-100 decibels, adjustable in 4 levels

Ringtones: 36 options to choose from

Working temperature: -30 ° C to 70 ° C

Working frequency: 433MHz