... , EMC, SAA, C-TICK , ROHS, TUV, VDE, ETL and ISO9001 6) Voltage optional: 110v ,120v, 220v ,230v , 240v , 277v7) 50% saving ... cool down2. Remove old tube ( twist out )3. Remove starter unit ( twist out ) 4. Insert the adapter & T5 tube ( twist in ... per EPA regulations for same T5 adaptor energy saving fluorescent lamp