The lamp designed by prism with excellent air perfent lampshade, which is beautiful, durable and fixable and is dustproof, waterproof etc.Several installation styles: ceiling vertical style, absorbing-ceiling style etc.The inside electrical equipment and the accessories are beautiful and accurate. The variety of product specification is convenient for selection: 2X70W、1X70W、 2X58W、1X58W、2X36W、1X36W、2X18W、1X18W etc. Inductance, electronic ballast and emergency power supply are selectable in wet and dust-laden site, such as the various powder finished products and semi finished articles processing field, warehouse, refrigeratory, bathe center, parking lot and city environment illuminance field etc.