Wireless doorphone
wireless audio intercom is ideal for home, office or hotel. its long distance transmission get more convenient, diy installation. easy communication between family members or colleaugues.
within 1000 meters between two handsets, get through 5 walls.
long standby time lasts for 6 days.
built-in lithium battery 1100ma, working time 70ma.
continue working time with 12 hours.