SECRUI Doorbell, 2 Button Wireless Doorbell with 1000ft Range, Adjustable Volume, Waterproof Design, Hassle-Free Installation, 32 Melodies, Black

TECKNET Wireless Doorbell, Portable Doorbell with RGB Light, Battery Powered IP66 Waterproof Cordless Door Chime Kit, 1300 ft Wireless Range, 60 Chimes & 5 Level Volume, Using Time up to 4.5 Years

Classroom Doorbell Wireless Doorbell IP66 Waterproof 115dB with 56 Chimes Door Bell Ringer Wireless 1000ft Range Battery Doorbell Chime Kit 7 Levels Volume Mute Mode Doorbells for Home Kid Room Office

LetsWill Wireless Doorbell with 2 Receivers 1000ft Range 115dB Door Bells for Home with 56 Memodies 7 Volume Levels Waterproof Doorbell Chime for Classroom Kids Bedroom Playhouse Plug in Door Bell Kit

Wireless Doorbell by LUAMB 1,000ft Range Loud Enough with 5 Volume Levels and 52 Chimes LED Flashing,1 Push Button and 2 Receiver.