【Check Before Purchasing】(Note: This doorbell is not battery powered). Comes with power kit, wire extenders, receiver, reset pin and tool kits. Only compatible with existing traditional mechanical and electronic digital chimes
【2.4G Wi-Fi & Easy Installation】Comes with user manual. Please download the relevant app first, then connect the power supply to try to connect the doorbell and then install it outside. ONLY support 2.4GHz WIFI (5GHz cannot be supported)