Master control Hisilicon Hi3518EV300 Image Sensor 2 million 1080P COMS sensor PS2063 1/2.7 Video streaming 1920*1080/15fps 640*360/30fps Video mode Normal mode, backlight compensation, infrared night vision, strong light suppression, digital wide dynamic Night vision effect Infrared night vision (black and white picture) Infrared distance 940nm infrared, effective illumination distance is about 10 meters Lens 2G2P HD lens 4mm horizontal FOV 120 degrees battery 2 * 18650 ternary lithium 3.7V battery Power storage Long standby time up to 180 days Sleep 15S/30S/60S/Do not sleep WiFi connection Sonic one-key configuration 2.4GHz Audio Audio coding AAC and G.726 button WiFi / AP hotspot key; reset key / power key Status Indicator Blue & Red LED storage Support TF Card 4GB-64GB and cloud storage Video playback Timeline playback and cloud storage playback Two-way intercom support