Built-in battery power, Wi-Fi connection, 100% completely wireless
Built-in two 18650 lithium battery packs, default 5200mA, support USB charging
PIR is the best inductive, and the left distance is about 7-8M
3MP resolution, 2304 × 1296P high-definition image
9pcs 850 infrared fill light, clear image at night
Built-in MIC and speaker, two-way voice intercom
Support one-key wireless code pairing to wireless NVR, wireless touch screen and base station (Gateway Sold separately)
IP66, suitable for both indoor and outdoor
120 degree 3.4MM wide-angle lens
Bracket optional (with magnet bracket and integrated bracket)
Support up to 128GB TF card 
