Video Doorbell Smart Wireless WiFi Security Door Bell Necklace each user for 99 set

each user for 99 set of data memory with date & time stamp

sleeve length:Short sleeve

volume adjustment

Size（cm） S  M  L  XL  XXL   Waist 60  64  68  72  76   Thigh 50  52  54  56  58   Length 98  99  100  101  102  Asian sizes are 1 to 2 sizes smaller than European and American people

zipper Fabric name polyester fiber Main fabric component polyester fiber (polyester) The content of the main fabric component 71%-80% Color Gold Size M

Video Doorbell Smart Wireless WiFi Security Door Bell Necklace each user for 99 setOverview: 1. Three 18650 specification batteries. 2. Million HD pixels collocated with 166 degree wide angle lens 3. Support mobile phone remote fast wake up device within 1 second. 4. 2. 4G Wi Fi connection 5. High quality two way talk with noise cancellation 6. Support PIR motion detection, when someone hovers at the door, immediately alerts push notifications to the mobile phone. 7. Day and night mode automatic switching, whether day or night, the