* Item title: Mastiff M3 4Watt 395nm Ultravoilet Radiations UV Black light Lamp Aluminium Flashlight Torch
* Model: M3
* Color: Black
* Material: 6061T aircraft Aluminum HA III hard anodized construction
* Lens: High temperature processed toughened clear anti-reflective coating glass lens
* Reflector: Smooth Aluminum reflector
* Lamp: 4 Watt 395nm - 400nm 2-chip UV LED assembly
* UV output: 120mW - 280mW
* Run time: 2.5 - 5.5 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 Li-Ion battery
* Switch: End cap press on-off switch
* Dimension( mm ): 178 ( length ) x 26( body ) x 48( head )
* Weight( g ): 215
* Shock resistant, slip-resistant body design
* Ordinary waterproof standard with O-ring sealed, splash proof, be OK to use in rainy days
* Capable of standing up securely on a flat surface to serve as candle
* Step down constant current driver, high efficiency with dual mode regulator. Replace battery when the light is too dim