Vouchers via Amazon offers the AVCS Digital Tire Pressure Gauge for $9.99 $4.99. Coupon code "SEITTBBU" cuts that to $6.99 $3.49. Plus, Prime members bag free shipping. That's $3 off and the best price we could find. It features an LCD screen, LED backlighting, auto shut-off, and PSI, Bar, KPS, and kgf/c㎡ measurements. Deal ends May 30.