I HOOKED IT UP TO POWER AND IT DEMAGNETIZES. THERE IS NO ON/OFF SWITCH. THERE ARE MEASUREMENTS IN THE PICTURES. THERE ARE SCUFFS, SCRATCHES AND WEAR FROM USE. LOOK AT THE PICTURES. CHECK OUT MY OTHER LISTINGS. NO WARRANTIES GIVEN OR IMPLIED. International Buyers – Please Note. I do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior.