FEATURES: ● 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 a certain extent ● Small size, one-handed, convenient and fast.