... memory dimming circuit. (1)Low: brightness 500LM with one T6 led light on. (2)Mid: brightness ... alloy,CNC machining,anodic hard oxidation treatment,designed with an attacking head.5. Using 4pcs 18650 2000mah ... ),capacity: 4400 mAh,voltage: 8.4 V,with two bicycle fixed rubber ring,special design for ... Lighting Angle can be adjusted at random. 2. with elastic deck,applying various models of bicycles, easy to ...