Electronic ballast for T5 tube,have had SAA,CE, ... dimension is the same as TLD electromagnetic ballast with direct replacement and easyinstallationSaving 25% power compared to ... eletromagnetic ballastwithout flickering and noise,but with high luminous efficiency and rapid startingthe applicable volt ... 220v-240vHz: 50/60HzWatt: 1*8W,1*14W,1*21W,1*28W,1*35WPacking: color box / single blister / ...