MUMU Wireless Doorbell, Waterproof Doorbell with 300 Meters Range, Wireless Chime with 1 Transmitter and 1 Plug-in Receiver and 36 Ringtones, 4 Volume

Memkey - Wireless Outdoor Doorbell - Waterproof with 2 Receivers - IP68 Waterproof - 150m Range - 4 Volume Levels - 36 Ringtones - No Battery, White

Shining House - Wireless Doorbell Outdoor Waterproof, Large Loud Speaker, led Indicator, 300M Range, 5 Adjustable Volume, 58 Ringtones (Black)

Ahlsen Wireless Doorbell, IP44 Waterproof Wireless Chime, 200 Meters Range, Doorbell Chime Set with LED Flash and 45 Ringtones, 4 Volume Levels for