1. Check the leaks for air conditioner and automobile circulatory system
2. Mark and blood inspection, examination of crime scene.
3. Treasure and minerals...
TK737 UV395 flashlight is a 395nm ultraviolet flashlight, imported lamp beads, single power is 3W, half-wave width is smaller, and wavelength peak is larger; it is mainly used in various scene applications of fluorescence reaction, such …
UV Anti-counterfeiting Flashlight