H6S wireless mobile voice intercom doorbell (one pair)200M range 



Product parameter:

Outdoor doorbell
working voltage: 4*alkaline battey(1.5v*4)
wireless distance:5-50m(w/0 obstacle)
wireless requency:470M
working time:4 months
ringtone volume:15 ringtones,three kinds of volume, 120db
size:100mm*60mm*14.8mm


Indoor doorbell
orking voltage: rechargeable Li-ion battery
wireless distance:200m(w/0 obstacle)
wireless requency:470M
working time:24hours
ringtone volume:15 ringtones,three kinds of volume, 120db
size:100mm*54mm*20mm