• Long Wireless Range - Our wireless remote button is adopt high-frequency electronic technology to control doorbell chime. The range of wireless doorbells for home extend over 1300ft(400m) in open space. The wireless door bell has strong anti-interference features and you can pair it one-to-one, and NO need to worry about signal connecting wrongly with the next door
• Waterproof & Easy to Install - The door bells & chimes wireless is made of high-quality ABS material, has strong IP55 waterproof function, working on -4°F to 140°F. Easy Installation: plug doorbell receiver in the socket and adhere the transmitter to the wall via Double-sided tape or Screws-in
• Multiple Optional Ringtone and Mute Mode - PHYSEN classroom doorbell receiver features 58 chimes and 5 level adjustable volume(0 dB to 110 dB) to meet your needs for different occasions. Bright LED flash is suitable for the elderly and hearing impaired. The indoor chime can remembers your last melody and volume level after closing it. No need to reset the previous settings, really save your time
• Expandable and Multi Use - Wireless doorbell system can add more receivers or door bell ringer buttons as required, choose 1 button with 1 receiver or 2 buttons with 2 receivers or 2 buttons with 3 receiver sets, etc. Multiple doorbell chime can be configured to ring with different ringtones for your front door and back door. You will never miss your visitor
• Wireless Doorbell Kit - Door Bell Kits Contains: 2 wireless transmitters and 3 plug-in smart doorbell receivers, double sided mounting tape, anchors, screws and A23 battery included