* Item title: Mastiff E5 3 Watt 400nm - 410nm Ultraviolet Radiation UV LED Lamp Blacklight Aluminium Flashlight Torch
* Model: E5
* Color: Black
* Material: 6061T aircraft Aluminum HA III hard anodized construction
* Lens: High temperature processed toughened clear anti-reflective coating glass lens
* Reflector: Orange peel Aluminum reflector
* Bulb: 3W 400nm - 410nm UV LED assembly
* UV output: 80mW - 200mW
* Run time: 2.5 - 6.5 hours( depends on battery capacity )
* Lifespan: Average 10,000 hours
* Mode: On - off
* Operating voltage: 3.2V - 4.5V
* Power supply( NOT included ): 1 x 18650 / 17670 Li-Ion battery
* Switch: End cap press on-off switch
* Dimension( mm ): 133 ( length ) x 25( body ) x 31( head )
* Weight( g ): 103
* A nylon lanyard is included
* Shock resistant, slip-resistant body design
* Ordinary waterproof standard with O-ring sealed, splash proof, be OK to use in rainy days
* Step down constant current driver, high efficiency with dual mode DC-DC regulator. Replace battery when the light is too dim