The outer impression was first positively and with slight bending of the connecting springs also be installed (A4). Then the correct disadvantages also begin already: The original light has 5W LED lamp 1W, which corresponds roughly 10W conventional light - so much too bright. The Lamp Management remained quiet 20 minutes, then already the first failure. The load resistor board (68 Ohm) is hot and solder away. The three boards are unvergossen and when moisture comes to the light will not operate safely for long. The cooling plates are connected poorly with the hot parts - there still missing thermal grease. In sum you have to rework a lot, if you want a little longer enjoy ...