Don't waste your money, they are junk. The first set stayed green even though there was only 20 lbs in the tire, they replaced those with the "max stealth" which leaked after about 10 miles of the 6 I had 4 leaked. Threw them in the garbage and bought a pressure pro, has been very dependable, the sensors are about 4 years old and still going. I take them off in between trips to save the batteries.
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Tim
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