Rotary metal bracket, stable and convenient.-Compatible-FC/SC/ST/LC/SC female connector/LC male connector-4000mAH large capacity lithium power, 20 hours standby.-real time video-support extend t-flash card ,quick check the pollution degree of female connector and male conector-400 times magnification, the stain is clearly visible-3.5 inch HD LCD display.-1/3 inch sensor, 300,000 effective pixels.-removable Silicon Case reduce the damage by collising or dropping in-certain extent-Small size, one-handed, convenient and fast.