Reaction Training Light - This is a light based training system controlled by a remote. During use, the user must react as quickly as possible after the light turns on and touch the corresponding light with the hand to achieve the training purpose. Four Exercise Modes - The response time training system offers four exercise modes for physical training and hand eye coordination training to improve the overall coordination ability of the body. It is specially designed for coaches, athletes and children to enjoy training. Visual Processing and Brain-Body Connection - The system trains the brain and body to respond faster. When the eye sees light, it immediately sends information to the brain. The brain sends information to the body via nerve pathways about how movements should be performed correctly. USB Charging Design - The glowing reaction light for induction agility training. The charging time is 2 hours and can be used continuously for 10 hours. USB charging design. Use Scenarios - In athletic training sessions to improve reaction speed and hand eye coordination during drills. - For youth training or home practice to build overall body coordination and brain body connection. - In coaching clinics or physical education classes to engage multiple participants with four exercise modes.