*164ft/50m wireless working range in open area.
*Compatible with smart video doorbells.
*52 ringtones optional for you.
*No need batteries, low power consumption.
*Easy to pair with the doorbell, easy for installation.
*One doorbell chime can pair with up to 8 outdoor doorbells.
Power Consumption: 10 mW
Working Frequency:433.92 MHz (±280 KHz)
Volume Level: 4
Max Volume: 110 decibels
Working Range: 164ft/50m
Item Size: 8.4*8.4*4.3cm
Item Weight / per: 63g
Package Size: Approx. 9.8*9.8*7.2cm/3.86*3.86*2.83in
Package Weight: Approx. 113g/4.0oz
1* EU Doorbell Chime
1* User Manual (English)