b50 wireless wifi intercom video doorbell camera set door bell cameras night- vision infrared detection

1.two-way audio is more convenient for you and your visitors. 6, can be anytime and anywhere with the visitors to the smooth video intercom (app can set up a phone or sms reminder) 2.pir motion and night vision, 24-hour detection of moving objects. 3, no wiring, battery power, visual intercom, easy installation; it can also be powered by electricity; 4, long standby, low power technology, 5, active wake-up, video intercom (mobile phone can remotely wake up the device, actively monitor the picture you want to see).syi