1 Box Of 10 x LED MR16 Cluster Warm White 1.8 watt (21 LEDs)

By Alasdair (United Kingdom), 10 Jul 2011
The bulbs supplied were DL-MR1621WW (21 leds warm white) and these give out approx 10 watts halogen equivalent for 1.5 watts (not 1.8 in data sheet), not the 15 watts halogen equivalent claimed in the BLT data-sheet. The data sheet text is mis-aligned at the bottom (from the LED type row they need to move up one line). Also this is an AC-DC bulb and requires either a 12 volt AC or 12 volt DC power supply (not just DC as stated). They are not very high efficiency (only about 20 lumens/watt) but are claimed to be very long life. They are very useable for long life not too bright. There are better MR16 LV bulbs using 3 modern large LEDs that can produce a 20 W halogen equivalent at about 50 lumens per watt - over twice as efficiently for this equivalent brightness.