Logitech G815 Gaming Keyboard is a new class of mechanical gaming keyboard available in 3 different low-profile GL switch options. It features LIGHTSYNC RGB , dedicated USB passthrough and 5 customized able G-keys. Fully customizable per-key, LIGHTSYNC RGB technology can also reacts to in-game action, audio and screen color as you choose. Programmable G-keys let you create and execute complex actions simply and intuitively and the volume wheel and media keys give you fast, easy control over video, audio, and streaming. With a sleek, impossibly thin yet durable and sturdy design, Logitech G815 Gaming Keyboard brings gamers to a higher dimension of play. Dimensions (L x W x H): 18.7 x 5.9 x 0.9 inches (475 x 150 x 22 mm) Weight (without cable): 36.9 oz (1045g)