AC 85V - 265V Small Constant Current LED Driver for 1W - 3W Ceiling Thumb Light
£2.03
1x3W,can series 1pcs 3W led diode. 4X3W,can series 4pcs 3W led diode. 1-3X1W,can series 1-3pcs 1W led diode. 3W led diode is 3-3.4V 600mA diode. 1W led diode is 3-3.4V 300mA diode,or 2pcs paralleled 5730chip.