... lighting principle,so the energy-saving efficient is twice and lifetime is 20times longer than traditional energy-saving lamps, ... 100000hours.HB induction lamps are suitable for public institutions and public infrastructure lighting,such as indoor,outdoor,industria,place ... is 15-25 workdays after downpayment4. Packing:foam and carton5. Payment:L/C,T/T, Western Union,AlipayProduct features1.super long ...