Philips HPL-N 125W 542 542 E27 lamps are high pressure mercury vapor lamps consisting of a gas-filled soft glass outer bulb with phosphor coating. The discharge tube is filled with mercury amalgam.
28W E27 230V A55 CL halogen lamp with E27 fitting for 230V (mains voltage) and a wattage of 28W. Is the ECO version with approximately 15 lumens / watt. Equivalent power 35W