The use 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 guide plate is again diffused and softened, making the softer and more comfortable. High-efficiency and high-quality LED chips are used to that the is durable, stable and durable. For -3/3s/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 use will not generate heat, no worries Two-way cooling. The LED base is made of lightweight profiles, with thin grooves on both sides, two-way heat dissipation, no heat. Specification: color: white Option: Switch Type Not Dimmable Product power: 4.5 Product size: 22 cm / 8.66 inches long Power cord length: 1m/3.28ft installation : Install screws and nuts on aluminium profiles. Then fix the LED. Wiring : 1: Connect the power output. The black wire is connected to -V, and the red wire is connected to +V 2: Connect the power 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.