2. Complete wirelss
3.21% solar conversion efficiency
4. Lowest standby current 1mA
5.Highest battery capacity 2800 mAh
6.Non-removal, USB port easy charging
7.2.4G digital,built-in transmitter and receiver 8.Wide transmission 15 meters in use case
9.1/3" sensor image size is better performance than common 1/4"