KJ-2000A Narrowband 311 UVB phototherapy lamp with stable and long usage life Philips special UV lamps as the light source Small volue and light wegiht ,connvenient for patients to carray With high intensity light output and obvious treatment effect With internal reflector ,increase the efficiency of radiation. With special comb ,easy for the treatment of scalp parts With timer function Light and portable ,low price ,suitable for family use Philips bulb:1*PL-S 9W/01/2P(narrow -specturm UVB )