... :15-120degree 4,50000 hours led tunnel lamp 60wTechnical parameters Modelled tunnel light sdd-01 Voltage 220vMaterial aluminum ... mode Internal Application bulding,brideges,park,squares. led tunnel light Applications1.Tunnel, Subway, Underground Lighting;2.Gymnasium, Sports Stadium ... High shock & vibration resistant10, Ideal heat dissipation design11, No UV & IR, No Blinking and No Mercury & Lead free12, ...