... design, very easy for repairment and maintenance.8. With optical lens, the penetration is more outstanding9. Very low dB generated ... of shipping charge if factory repair is imperative.Availavle colour: White, black, red, grey, silverAvailable spectrum: 660nm, 630nm, 440nm, ... 460nm, 610nm, 730nm, 380nm, white 3000K-18000KAvailable model: Apollo 4/6/8/10/12/16 ...