M2 720P Smart WIFI Video Visual Doorbell,Support Mobile Phone Remote Monitoring & Night Vision (Grey) Filter-Screen Protection Film One Package Size 40cm *

One Package Size 40cm * 23

14) Support Windows vista 32/64

40HQ: 2747 cartons * 40 pcs = 109880 pcs

3mm thickness enhances wrist comfort and touch

M2 720P Smart WIFI Video Visual Doorbell,Support Mobile Phone Remote Monitoring & Night Vision (Grey) Filter-Screen Protection Film One Package Size 40cm *1. Watching anytime anywhere if you wanna see it. No wiring,installation is extremely simple,using ultra low power technology,effective use for more than 8 months ,not only convenient,but energy saving and environmental protection. 2. The design of remote controller without screws,anti dust,continuous transmission ensures complete reception of the signal. 3. Guests can make video voice call,and record for a short video,the owner will know who in front