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 time magnifrcation,the stain is clearly vislble. 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 a certain extent. Small size,one-handed,convenient and fast.