Avoid Expensive CPU Over Heating and Blow-Up Power Supply by Cleaning the Cooling Fan/Heat Sink Regularly Works Great on Monitor, Keyboard and Mouse Blow Away Dust and Dirt in Hard to Reach Places Supplied with a Brush Cleaner and Narrow Mouth Tube Battery Powered (4 x AA Batteries, Not Included) On/Off Switch Light Weight: 8oz (Without Batteries) Ergonomically designed
