This manual rotary LED dimmer switch provides smooth, stepless brightness control for single-colour LED strips and LED lighting systems. Rated for DC 12-24V at 30A, it can handle up to 360W at 12V or 720W at 24V. The compact aluminium housing (86 x 61 x 20mm) features screw terminal connections for both input (V-, V+) and output (V+, V-). Suitable for mounting in panels or enclosures. Certified CE and RoHS. Ideal for use with LED strip lights, spotlights, and under-cabinet lighting.