The of high-quality LED patches ensures a long service life while ensuring luminous efficiency, avoiding stroboscopic damage to the eyes and affecting the effect. High brightness, no flicker. The light from the light plate is again diffused and softened, making the light source softer and more comfortable. High-efficiency and high-quality LED are used to the light source is durable, stable and durable. For -3//3 Pro/V2, -5/5 Pro 24V models, etc. High heat dissipation, not hot. Using high-quality aluminum as the LED light stand, long-term will not generate heat, no worries Two-way cooling. The LED is made of lightweight profiles, with thin grooves on both sides, two-way heat dissipation, no heat. Specification: Light source color: white Option: Switch Type Not Dimmable Product : 4.5 Product size: 22 cm / 8.66 inches long cord length: 1m/3.28ft installation : Install screws and nuts on aluminium profiles. Then fix the LED. Wiring : 1: the output. The black wire is connected to -V, and the red wire is connected to +V 2: the input terminal of the motherboard, the red is connected to the + pole, and the black is connected to the negative pole -. colour: white Material: Aluminum + Plastic Package Contents: 1 x 24V 4.5W White LED Light Bar 1 x Mounting Screw Nuts Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.