Blackburndesign.com are presenting this pair of lights, a front and rear set, and list them this way: - Micro size rechargeable Li-Ion headlight - Uses four super-bright White Nichia™ LED’s - 40 lumen output - Patented innovative charging system uses any standard 1.5V battery - Flexible and compact mounting system - Steady, Flash and Chase modes - Superlight at 17 grams - 6 [...]