fostersung

原本很懷疑，找到的規格如下
Lamp Output: 4100 Lumens w/an Adj High Efficiency Reflector
Dimensions: 2.25〃 X 9〃 (57mm x 230mm)
Weight: 19.3 ounces (547g)
Power Supply: 12×2/3A 1500mAh Cells 14.4V
Battery Lifetime: 5 Minutes
Bulb Type: 100W Halogen
Expected Bulb Life: 2000 Hours
Casing: Military Grade Aluminum
Tail switch: On/Off Button
Warranty: One Year
我信了~一支只能亮5分鐘的手電筒~