Query: classroom doorbell for teachers
Wireless Door Bell, AVANTEK Mini Waterproof Doorbell Chime Operating at 1000 Feet with 52 Melodies, 5 Volume Levels & LED Flash
Door Open Alert BITIWEND Wireless Door Sensor Chime for Office/Home/Store,Door Open Chime Window Alarm Operate Range 600ft With 52 Chimes 4 Volume Level (1 SOS Button +1 Receiver+ 1 Push Button)
Zingers Attention Bell, Answer Buzzers For Classroom Educational Learning Games, also Great Tool for Activity Transitions, Buzzer for Game Show, 5 Color Push Buttons
SECRUI Wireless Doorbell, Waterproof Mini Doorbell 1,000ft Range Loud Enough with 5 Volume Levels and Mute Mode Door Chimes & Colorful LED Flashing - Black
Wireless Doorbell, BoYing Waterproof Door Bell with 38 Melodies and Led Flash,1000-Foot Range, 4 Level Volume, 2 Remote Buttons & 1 Receiver, White
Wireless Door Bell, AVANTEK Mini Waterproof Doorbell Chime Operating at 1000 Feet with 52 Melodies, 5 Volume Levels & LED Flash
Doorbell, Lovin Product Waterproof Wireless Doorbell Chime Kit with 36 Chimes, Adjustable Volume; 1000feet Operating, with Sound LED Flash Door Bell for Home (1 Receiver x 1 Push Button)
Wireless Doorbell, AVANTEK D-3W Waterproof Door Chime Kit Operating at Over 1300 Feet with 2 Plug-In Receivers, 52 Melodies, CD Quality Sound and LED Flash
Wireless Doorbell by SadoTech – Waterproof Door Bells & Chimes Wireless Kit, 1000-ft Range,52 Door Bell Chimes, 4 Volume Levels with LED, Wireless Doorbells w/ 2 Receiver & 2 Button, Crosspoint, White
MoKo Wireless Doorbell, Plug-in Push Button with 36 Chimes, 5-Level Adjustable Volume, Battery-Operated Transmitter (No Battery Required for Receiver), Work Over 490-feet (150m) Range, White
GE Wireless Doorbell Kit, Battery-Operated Receiver, 1 Push Button, 2 Melodies, 4 Volume Levels, 150 Ft Range, Mountable, White, 19247
Wireless Doorbell, TeckNet Waterproof Wireless Door Bell Chime Kit with LED Light 1 Receiver and 1 Push Button Operating at 1300 Foot Range with 38 Chimes
SadoTech Wireless Doorbell - Battery-Operated, Waterproof, Long Range, Portable Door Bells for Home with 2 Receivers, 2 Buttons, 52 Chimes & 4 Volumes - White, Starpoint
SadoTech Wireless Doorbells for Home - 1 Door Bell Ringer & 1 Plug-In Chime Receiver, Battery Operated, Easy-to-Use, Waterproof Doorbell w/LED Flash, White
Coolqiya Wireless Doorbell with 2 Remote Button and 3 Plugin Receiver, No Batteries Required for Receiver Over 50 Chimes, White