Battery cover missing and not perfect by any means. Please see pics for condition. With batteries installed light comes on when wireless button pressed. Do not have a system to connect to so sold untested for parts. The product is a PS4 Fender Jaguar Wireless Blue Guitar for Rock Band 4 by Harmonix. It is designed for the Sony PlayStation 4 platform, featuring wireless connectivity with a range of 5-10 meters. The guitar is made of plastic and weighs 3lbs, with a glossy blue finish. Although it is classified as a controller, it is specifically designed as a guitar for playing in the Rock Band 4 game. This model is made in the 2000s by the brand Harmonix and is compatible with the PS4 console and other gaming accessories.