Vintage Ledlight LED G53 AR111 – 628lm 2000K to 2900K – Dim to Warm. Replaces the AR111/QR111 halogen lamp of 50W. This lamp is compatible with most electronic and toroidal transformers (see list of tested 12V transformers at the bottom). This LED lamp is dimmable with a LED dimmer. Minimum heat development and long life of 30 000 hours.