Wireless Doorbell - PHYSEN Waterproof Doorbell Chime Kits with 1 Transmitter+1 Receiver, Operating at 1300-ft Range 58 Ringtones 5 Volume Levels & LED Flash, Door Bell for Home/Classroom

Long Wireless Range- This wireless doorbells for home features advanced high-frequency electronic technology for optimal control range. With a remarkable wireless range of over 1300ft (400m) in open space, you can confidently install it without worrying about signal interference or misconnections with neighboring devices.
Waterproof & Easy to Install - Crafted from high-quality ABS material, our battery operated doorbell is designed to withstand various weather conditions with its strong IP55 waterproof function, ensuring reliable performance from -4 °F to 140 °F.
Installation is a breeze: simply plug the doorbell receiver into a socket and affix the doorbell button to the wall using double-sided tape or screws.
Multiple Ringtone Options & Mute Mode - This smart doorbell offers an extensive selection of 58 chimes, and 5 adjustable volume levels ranging from 0 dB to 110 dB, allowing you to choose the perfect melody for any occasion. Additionally, the bright LED flash is particularly useful for the elderly and hearing impaired individuals. The classroom doorbell for teachers also remembers your last chosen settings, no need to reset the security doorbell.
Expandable and Versatile - Our wireless doorbell chime is expandable to suit your needs. You can add more receivers or remote buttons as required. Whether you prefer a 1-to-1 configuration with one button and one receiver, or a multi-receiver setup with two buttons and three receivers, the choice is yours. Furthermore, you can assign different ringtones to the front and back doors, ensuring you never miss a visitor.
Wireless Doorbell Kit and Warranty- The wireless door bell kit includes 1 wireless transmitter, 1 plug-in doorbell receiver, double-sided mounting tape, small screwdriver and an A23 battery. We provide an 18-month warranty and 24-hour customer service for your peace of mind. Please do not hesitate to contact us if you have any questions or concerns.