TECKNET Wireless Doorbell, Self-Powered Doorbell, 0-110db Plug-through Wireless Doorbell Ringer for Homes Classroom, IP66 Waterproof 1300ft Door Chime with Extra Socket, 60 Chimes, LED Light (White)

Wireless Doorbell Easy Install at 1,300ft Long Range Loud Enough with 55 Chimes 5 Volume Levels and Mute Mode LED Doorbell for Classroom Home Office,1 Battery Operated Push Button 2 Receivers,Black

Wireless Doorbell, 1300ft Range, Stable Signal, 60 Ringtone, 4 Volume, Loud sound, Waterproof, 2 Plug-in Receivers+2 Battery-powered Transmitters, Bright LED Flash, Easy to Install, Silver

Wireless Doorbell for Home, Waterproof Door Chime Kit Operating at 1300-ft 58 Adjustable Melodies & 5 Volume Levels -PHYSEN Door Bell Wireless with LED Strobe, 2 Push Buttons + 4 Plug in Receivers

Wireless Doorbell, SECRUI Door bell Over 1000ft Coverage with 2 Plug-In Receivers, 1 Waterproof Push button, 52 Chimes, 110dB loud Sound Colorful LED Flash