Waterproof & Easy to Install - Houses wireless doorbell is truly waterproof & weatherproof to -4°F/140°F. Installing and pairing according to the instructions, NO tools needed! All you had to do was plug in the adapter to an outlet and adhere the transmitter to the wall via Double-sided tape or Screws-in
Wireless Doorbell Kit - Door Bell Kits Contains: 2 wireless doorbell transmitters and 4 plug-in smart doorbell receivers, double sided mounting tape, anchors, screws and A23 battery included. We will offer 18 months and 24 hours customers service. Please feel free to contact us if you have any questions