AURTEC
『No Battery Required』Wireless Doorbell Waterproof, AURTEC Door Chime Kit with 2 Plug-in LED Flash Receivers & 1 Press Self-Powered Transmitter, 51 Chimes, 4 Volume Levels, No Battery Required, Black
DAZFE
Wireless Doorbell, Waterproof Door Bell Ringer Kit with Night Light, 300 Meter (1000FT) Long Range Loud Enough With 5 Volume Levels And Mute Mode Door Chimes , 55 Melodies & LED Flash, 1 Push Buttons & 1 Receivers - Black
SURFOU
Wireless Doorbell Set with 2 Plug-in Receivers and 1 Transmitter, 300 m Range, IP55 Outdoor Waterproof Front Door Bell, Wireless Doorbell with LED Flashing, 5 Volume Levels, 55 Ringtones