... tube.No UV or RF interference, 100% No fluorescent flickering, AC driving, stable light, protect eyes.Solid state, high shock/vibration ... Length/tube: 30cm, 60cm, 90cm, 120cm, 150cm, 240cmWiden voltage Input:(AC 90~265V / 50~60Hz) and low voltage with current limitation ... 1200mm 20w led t8/t10 tubeThey are widely used in indoor illumination, such as Office rooms, Residential and institutional utility ...