C4-B HIGH-QUALITY PROFESSIONAL Wood lamp with batteries New durable, compact and super-light Wood LED lamp! The light beam is extremely wide and regular, the miniaturization of the LEDs has allowed perfect overlapping of the four beams; no shadow area even near the lamp. 4 UV-A LED + 1 central white light LED Wavelength 365 ± 5 nm Distance 38 cm Radiation: > 5,000 µW/cm2 Lighting: <5 lux Irradiated diameter: 25 cm High-strength anodized aluminum body with passive heat without the use of fans Lightweight, weighs only 580 grams including batteries Robust three-position mechanical switch Electronics built to work even in the presence of strong magnetic fields Battery life: 2 hours (tested with the lamp always on) Average life of LEDs: 50,000 hours IP64 protection index With certificate of conformity ASTM E3022 + declaration of conformity EN ISO 3059, ASME V art.6, ASME V art.7, ASTM E1444 (optional, without surcharge), ASTM E1417 (optional, without surcharge). Protective goggles with UV filter Battery charger