Makeblock Codeybot LED Laser Turret - Premium Quality - Battle Mode - Programable Robot Kit for Kids More Fun and More Safety: Infrared could be reflected and absorbed, the blue optical light turret could provide more accuracy and safety to kids during the game. Easy-to-Install: The Codeybot LED Laser Turret is designed with Easy-to-Install structure, users could install the turret in seconds and start to enjoy their battle games with Codeybot. Real-Time Battle Achievement with Free-to-Download App: With the built-in communication module , Player could monitor the life level of Codeybot and the competitors from the smart device.