UVG-47 generates fluorescence over a distance of 10 feet or more. A
single 6-watt tube combined with a 13.5 sq. in. filter area produces a
short wave intensity of 320uW/cm2 (254nm). Size: 9-1/2 x 9-3/8 x 2-7/8
inchs. Weighs 4 lbs with batteries. Comes with two standard 6-volt
batteries. Shipping weight 6 lbs.