细节展示放大镜特效

Old blood handprint sempres

  • No:SYZW45
  • Quantity:

    The appearance and fixation of the criminal case site smooth non-permeable object and semi-permeable object surface old or dry blood handprints or blood footprints, the apparent fingerprints are blue (red, orange) color and will not be erased. After the appearance of the color contrast is obvious, the lines are coherent, very easy to take pictures.

    How to use it

    Method 1: with a dropper to absorb the solution drip in the suspected blood handprint site (can also be based on the case of handprints left behind the object, will be left handprints soaked in the reagent, or make the reagent flow through the blood handprint slot, or spray the reagent with a spray pot on the blood handprint site), wait, with the blow ingest or hair blowing cold wind blowing on the handprint, the residual liquid, Take pictures in natural light.

    Method 2: Reagents can be loaded into a spray bottle, in the suspected blood handprints of the site of spraying,20Rinse with a small stream of water after a second, then blow it dry with a blow-off and take a picture in natural light.