1. 37 kinds of jumping and gradual change modes, RGB/RGBW each with 4096 gray levels. 2. The LED digital tube displays the current pattern, speed and brightness, intuitively and clearly. 3. 3 dimming knobs, special treatment in line with the characteristics of the human eye, can DIY the color you like. 4. The color of DIY is automatically saved and can be recalled by remote control. 5. Over current protection, short circuit protection. 6. With the online use of the power extender, the output power can be amplified unlimitedly. Model: BC-354RF Knob RGBW controller Input voltage: DC12V-24V Maximum output current: 5A per channel x 4 Maximum output power: 240W(12V)/480W(24V) Gray level: 4096 level x 4 Variation mode: 37 kinds Speed level: level 16 Brightness level: 16 levels Remote control distance: 30 meters with obstacles, 60 meters without obstacles Colour:White Material:plastic Package Contents: 1 x Knob Dimmer 1 x Remote Control 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.