Magnetic Light Switch Cover $19.99 on Amazon 'Oh, for crying out loud,' you mutter at half-ten, I've lost my keys! They've gone walking again!' If the above scenario sounds all too routine, Give this product a try and you'll see what I mean. Never go searching through your house in a panic For your keys are there waiting--all safe and galvanic.This product only fits single toggle light switches. There are 3 strong magnets behind the face plate.