Compensation module LEDFeatures: Enables the operation of dimmable HV LED lamps together with Gira Tronic dimmers or Gira universal dimmers. Prevents HV LED lamps from glowing when switched off with Gira Tronic dimmers or Gira universal dimmers that work in trailing edge phase control and with switches with lighting elements up to 3 mA. Improves the dimming behavior of HV LED lamps with Gira Tronic dimmers or Gira universal dimmers that work in trailing edge phase control.Notes: Can also be used for the existing dimmers 0305 00 and 2390 00.