2 piece combo wireless grip and site only. Store demo didn’t even have batteries in it until now to test and functions perfectly fine. Cycles through different setting holding down the back button on the green laser and site casing power. With pressure on the grip you can have the laser site setting of your choice, or power of the grip and control it via the button on the site itself. Wirelessly connected grip to site! Batteries included are a C2 battery for grip and CR123 in the site itself. Comes with no additional accessories. The Crimson Trace LiNQ is the World’s first wireless grip activated green laser and white light combo. Every system has its own individual closed signature – ensuring that each LiNQ system will not interfere with other LiNQ units, nor any other RF or wireless systems. The Instinctive Activation button allows the user to control the 300-lumen LED White Light and Green Laser module in four different modes: laser only; light only; laser and light on; and laser on with strobing light. These options can also be controlled with the independent module control button on the back of the laser/light module. The ergonomic grip includes a Sync light to provide the user with immediate feedback to ensure the system is working properly, as well as a manual power switch to easily turn the unit on or off.