Have you experienced a console drifting/scratchy sound from musical equipment/inactive computer or keyboard and remote control?Sometimes you are hitting them praying works as new again and strangely sometimes that work!Those miracle caused by accumulated dust on electronics contacts are moved to the other position.However, if grease or other massive dirt are on electronic contact that miracle will not happen.For this case, you need BW-100.NON-FLAMMABLE, ECO-FRIENDLY electronic contact cleaner BW-100 is the one product you can make not working electronics operate again.You can spray it on working electronics without any risk, and you do not need to wipe the solvent because it will go away within a seconds.Even though it is aerosol, thanks to 360º spray rotation technique you can spray BW-100 reversely.IDEAL FOR USE on Electronic Components, Automobile, Rechargeable Devices, Console, Musical Equipment and PCB.HOW TO USE1. If the power is on or not, it does not matter.2. Shake BW-100 aerosol can3. Attach straw for the pinpoint stream, if not just press trigger for wide-angle spray.4. Hold BW-100 6" - 8" away from the surface and spray directly onto the electronic device or circuit board5. Wait solvents are gone (within a seconds, you will be SURPRISED)6. THE JOB IS DONE