Model H23RTCPU 4248 pixel 8 million lens 4G with OV wide-angle lens wide angle 170 degree A-level high resolution ultra wide-angle lens G-sensor built-in LCD screen size 20 inch LCD screen/front screen 0.8 inch screen urine image resolution 1920*1080P30FPS/1280* 720P30FPS body matte night vision low-light HDMI output supports file format MOV video format M-JPEG,Audio:AAC memory card TF (maximum support of 32GB) uninterrupted loop video seamless loop video, no-second working time 90 minutes WI-FI distance 10m-20m waterproof depth 30m charging time 3 hours MK function 1:MK-Disk power interface DC:5V-1A battery built-in 900mAh .