3 in 1 Laser Light Combo? : Laser class : IIIA ; Laser power. Quick USB Rechargeable? : LIGHTWIN green and purple laser is bulit-in USB charging. Charging time is only 2 hours. The running times are: 6hr/laser, 1.2hr/light, 55min for both laser and flashlight. When the power is lower than 10%, the low power indicator light will be red, indicating that it’s time to charge in time now; green light means fully charged. 8 Sighting Modes + Strobe Function? : 3 in 1 green purple laser flashlight combo has multiple 8 sighting modes : GREEN LASER ONLY / Purple LASER ONLY / GREEN LASER LIGHT / Purple LASER LIGHT /STEADY LIGHT/STROBE LIGHT / GREEN LASER STROBE LIGHT / Purple LASER STROBE LIGHT. Press the light button for 3 seconds to switch to strobe mode.