Wireless Doorbell Door bell Chimes with Mute Mode, 48 Ringtones 5 Volume Levels, Operating at 1000ft Range, LED Strobe, 2 Transmitters+3 Receivers Waterproof Doorbell Kit for Home/Classroom

Long Wireless Range - The wireless doorbell range for home extends over 1000ft (300m) in open space. The classroom doorbell chime features strong anti-interference capabilities and can be paired one-to-one, so there is no need to worry about signal cross-connection with the neighboring unit. Great for large homes, apartments, offices, and classrooms, ideal for teachers to capture students' attention. Waterproof & Easy to Install - The wireless doorbell and chime is constructed from high-quality ABS material, offering robust IP55 waterproof protection, operating from -4°F to 140°F.
Easy Installation: plug the doorbell receiver into a socket and attach the transmitter to the wall using double-sided tape or screws. Multiple Optional Ringtone & Mute Mode - The classroom doorbell receiver features 48 chimes and 5 adjustable volume levels (0 dB to 130 dB) to suit various occasions. A bright LED flash is suitable for the elderly and hearing impaired. The indoor chime retains your last melody and volume level after being turned off. No need to reconfigure previous settings, truly saving your time. Expandable and Multi-Use - The wireless doorbell system can accommodate additional receivers or doorbell buttons as needed, allowing you to choose 1 button with 1 receiver, 2 buttons with 2 receivers, or 2 buttons with 3 receiver sets, etc. Multiple doorbell chimes can be set to ring with different tones for your front door and back door. You will never miss your visitor! Wireless Doorbell Kit -
The doorbell kit contains: 2 wireless transmitters, 3 plug-in smart doorbell receivers, double-sided mounting tape, anchors, screws, and battery included