2.7V~4.2V 1400mA 5-Mode LED Driver Board (2 PCS)
Model wy6715 Color Black + Golden Quantity 2 Material Base Plate + Electronic components Operating Voltage 2.7V~4.2V Current 1400mA Mode Arrangement 100% light On / 50% On / 10% On / Fast strobe 8Hz / SOS Cycling Board Size Diameter: 16.8mm; Thickness: 1.6mm Mode Memory Yes Functions Suitable for driving one 3~5W LED Other Feature With memory function; With anti- reverse battery protection function Packing List 2 x LED driver boards