1. REACTION TRAINING LIGHT: This product is a combination light training system controlled by a remote. During use, the trainer must react as quickly as possible when the light turns on and touch the corresponding light with their hand to achieve the training objective. 2. 4 EXERCISE MODES: The reaction time training system features 4 exercise modes, suitable for physical training and handeye coordination exercises to enhance overall body coordination. Specially designed for coaches, athletes, and children to enjoy effective training. 3. VISUAL PROCESS: A versatile reaction light training system that effectively trains the brain and body to respond faster. When the eye detects light, it instantly sends signals to the brain. The brain then relays instructions to the body via neural pathways to execute the correct movements. 4. USB CHARGING DESIGN: The glowing reaction light is designed for agility and induction training. It takes 2 hours to charge and provides up to 10 hours of continuous use.