Wood's light bulb only. Jorgy J0312B
Ultraviolet light (blacklight) used in the diagnosis of certain fungal or ringworm (Microsporum Canis) infections that will fluoresce green. Small and portable (7oz), uses 4 x AA batteries (not included), and is 2.5" x 6.5". Replacement bulb for J0312M only. J0312B, M1205