Exciting New Product: The Telescoping Whitening Accelerator is SEMA's newly design, which can be easily attached to the ... Whitening systemExciting New Product: The Telescoping Whitening Accelerator is SEMA's newly design, which can be easily attached to the toothchair ... 240V AC, 50/60Hz7. Output power: 12V DC, 2.2A8. What’s included: SEMA Cool Light System, Main Poles, Transformer , Instruction Manual ...