... Range 300 m Shipping Weight 1.5 kgIntroductionThis system can be used in apartments,villas,hotels,offices,public ... LED light source, clear night vision, 24 hours for monitoring* Call, intercom and unlock function* One to one, ... , Wireless video door bell, Video door phone, Wireless door phone, wireless doorphone, wireless door bell, wireless video doorphone, wireless video doorbell 2.4" Wireless video ...