Kingdder 5 Pcs Attention Doorbell Classroom Wireless Doorbell Set Waterproof Wireless Buzzer Bell 1 Receiver x 4 Push Button 1000ft Range Classroom Management Tools for Teachers Fun Learning Games

Features: Attracting Student Attention: This classroom attention doorbell set attracts student attention and maintains classroom order in a fun and novel way. Reducing Teacher Stress: This classroom attention doorbell set is designed to reduce teacher voice strain and create a more harmonious classroom environment. Specifications: Material: Color: white Size: Package includes: Four buttons and one receiver Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• Classroom Attention Doorbell Set: you will receive four buttons and one receiver; This doorbell set uses advanced wireless technology, with an effective range of up to 1, 000 feet/300 meters in open areas; Whether you are in different activity areas of the classroom, you can use the classroom doorbell to attract students' attention and teach them to follow established procedures when they hear the doorbell
• Waterproof and Dustproof: this classroom doorbell has a high waterproof rating, effectively protecting against water splashes and other splashes, making it perfect for use even in rainy weather; The smooth, flat design makes cleaning dust a breeze; For convenience, you can place it safely indoors or outdoors
• 36 Different Ringtones and Adjustable Volume: this classroom doorbell features 36 different ringtones and 4 adjustable volume levels (25 dB to 85 dB) to meet your various needs; You can set each remote to a different ringtone and teach children the correct response when they hear the bell; The flashing light and audible alarm indicators are clearly visible, making them easy to notice even for people with hearing impairments
• Easy Installation: the wireless classroom doorbell is very convenient to use, requiring no wiring; Simply plug the receiver into a power outlet, set the ringtone and volume, and it's ready to use! Teachers love using the wireless doorbell as a classroom doorbell to attract students' attention
• Wide Applications: this classroom attention doorbell can not only be used to attract students' attention, but also as a quiz machine; Different remote controls ensure different ringtones are set, so you can know who rings the bell first! It's an excellent classroom management tool for teachers