DURABLE BODY - High quality plastic shell with built-in USB charger, more durable. Light unit is the best friend to upgrade your gel gun toy and make it glow in dark. Simulated Muzzle Flash: Simulates muzzle flash, with the flame effect enhanced by the volume of gas or water fog around the muzzle. With 3 interface 14mm/16mm/18-19mm Non Threaded, Direct Insertion Installation. Multi-Color Flame Function: Features 7 different multi-color flame options, creating a spectacular display when firing. Simulated Spitfire Mode - with Multi Color RGB Rainbow Flame Effect. Smart Energy Saving - Internal integrated motion sensor, open and close the control through the motion sensor automatically. Built in lithium battery for USB charging cable. OUR CUSTOMER SERVICE - We are committed to the production of accessories for more than 10 years, please trust the quality of our products. If you have any questions about our products, please contact us promptly and we will reply you within 24 hours!