8.4V bike light LED Driver Circuit Board 21mm Diameter 2000mA for DIY (pack of 2pcs)

Description

Output:10W Input Voltage: 3.6V-12V Max Current: 3A Constant current 3 Modes: High-Low-Strobe Size: 21.7mm diameter x 1.2mm thickness Total Height with IC: 13mm Suitable for this high power beams: 1*XM-L T6,1*XM-L U2, 1*XM-L L2, 1*MC-E ,1*SST-50 Application: Headlight, bicycle light DIY