This system consists of handheld and self-contained light sources, covering the light spectrum from longwave 365nm ultraviolet up to the red region of 625nm. Included is a white light source for general crime scene searches. Each light has a high degree of moisture-resistance with an O-ring to prevent dampness. Includes the three most popular lights: the white light, 455nm LED (comes with rechargeable battery and a charger), and 365nm UV light.