Wireless Doorbell, PHYSEN Doorbell Chime Kits with 1 Transmitter 1 Receiver Waterproof, Operating at 1000ft Range, 48 Ringtones, 4 Volume Levels, LED Flash, Door Bell for Home Classroom

Long Wireless Range Door Bell – Our wireless doorbells for home extend over 1000ft(300m) in open space, has strong anti-interference features and one-to-one signal pairing. The doorbell chime ensures you will never miss any visitor, even if you are a few rooms away or on another floor. Our best wireless door bell is great for large homes, apartments, offices & classroom
Multiple Optional Ringtone & Mute Mode – The wireless door bells for homes has 48 optional ringtones (including merry christmas ringtone) and 4 levels of volume that can be adjusted from 0 dB to 130 dB. You can set silent mode and don’t worry to disturb your sleeping baby. And bright LED flash is suitable for the elderly and hearing impaired. The door bell wireless set has a memory function that saves you time with selecting another melody after you turned it off by eliminating the need for resetting
Waterproof doorbell wireless – The door bells & chimes wireless is made of high-quality ABS material. wireless doorbell chime has strong IP55 waterproof and weatherproof protection, working temperature at -4°F – 140°F. You can be add as required, choose 2 button with 1 receiver or 1 button with 2 receivers or 2 buttons with 3 receiver sets, etc