this is UV Torch and Any UV Torches are not designed to operate continuously for more than 5 minutes, because this is genuine 120w and uv led will burn due to overheating.
Product parameters:
Brand Name: RDR
Model Number: 120W 365nm UV light
Material: Aluminum Alloy
LED Emitter: 365nm
Mode:1 modes (UV light)
Life service time: 100,000 Hours
Battery type: 4800mAH (1200mAH x 4) 
Lens: with anti-reflective coating Convex lens
IP rate: IP65 water resistant
Weight: 350g 
Application area:
365NM UV FLASHLIGHT: Curing ,Right-hand man of housework cleaning (dog, cat, rodent stains/ bed bug), search partner for scorpions hunting.（In the dark environment, UV purple light detection effect is better!）