U-NAMEL CURING TUNNEL has a 45 HIGH INTENSITY UV/LED Lamp and a 5 stage timer. Intelligent induction: 10s/30s/60s and 99s. Low heat mode (Auto sensing time is 120 Seconds). It cures any size items (base is easily removed) & has an auto shut off. Details: 110/220 volt. Wavelength: 365+405nm.