Light Source: 308nm XeCl excimer light source, with stable waveband, pure spot. Irradiation Area: 22cm2±10%. Irradiation intensity: 35 mW/c㎡ Various Size: Multi-specification treatment handle hoods, users can choose according to the size of the treatment area to avoid unnecessary radiation output. MED Test: Built in MED tester, can conduct automatic six-spot skin test, and make complex test process simple.