Connect the controller to the boot, adapter, and power cord. Briefly press the power button to turn it on. You can adjust: * Mode: Constant light, 10Hz pulse, or 40Hz pulse. * Brightness: 5 levels (P1–P5). * Timer: 9 levels (10 to 90 minutes). 

Do not use if you are pregnant or have heart disease. Also: * Avoid looking directly at the red light. * Stop use if you feel discomfort or skin abnormalities. * Do not soak or wash the device. * Only use genuine parts to maintain safety and warranty. 

It combines 660nm red light (repairs skin, reduces scars) and 850nm infrared light (penetrates deep to ease joint and muscle pain) to treat the entire leg. With 528 LEDs delivering 1584 targeted light beams, it is designed to help with swollen legs, stiff knees, poor circulation, arthritis, and post-workout recovery. 

Yes, it is built with medical-grade LEDs and a low-radiation design for safe, clinic-quality therapy at home. The LEDs have a lifespan of 50,000 hours, and there are no consumable parts—making it a long-term investment for leg pain, fatigue, and mobility support.