Not dimmable. LED transformer with 24V AC input (180-240V, 50Hz) and constant DC output voltage of 24V and 4.2A. Maximum load: 100W. Good Heat Dissipation: The ultra-slim aluminum case with honey comb cooling holes makes heat dissipation easier and extends the life of the power supply. Slim in design, big in performance. With a thicknes of only 22mm, minimal installation space is required and easy to conceal. Multiple Safety: The 24V LED transformer has a reliable internal circuit that provides over-voltage, over-heat, over-current and short-circuit protection to keep the load from damaging the power supply. No interference, no minimum load, no flickering and no noise. Extremely versatile: 24V LED transformer, can be placed in a ventilated, dry place or hung . Excellent for cabinet LEDs, wardrobe lights, garden lights. Low voltage design, widely used in LED strip light, LED bulb, MR11/ spotlight, LED pixel tape, ceiling light, outdoor LED sign, 24V module. Easy installation thanks to simple parallel connection. The input and output terminals are insulated and clearly marked to make electrical connections easy and safe. Series name:LED switching power supply Input voltage:AC180-240V Output voltage:DC24V Output current:4.2A Power:100W Interface design:tinned screw wiring Motherboard Design:Capacitor Motherboard Color:Grey Material:plastic Package Contents: 1 * 24V LED transformer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.