Intelligent Wireless Doorbell Waterproof 300m Remote Smart Door Bell Chime EU UK US Plug Optional

Wireless distance: in 100 meter (in open area)

Wireless Frequency: 433MHz (Option "A" to "K")

Wifi Frequency: 2.4GHz (Option "F" to "I")

Volume level: 5 levels

Power Type: EU / US / UK

Operating Voltage (For host): 110 to 220 VAC

Music quantity: 58 kinds of music

Max. remote support: 10 remote control