Suaoki via Amazon offers the Suaoki 12-volt Digital Air Compressor and Tire Inflator, model no. 179143702-F1, for $39.99. Coupon code "EZKR3ZHD" cuts that to $29.99. With free shipping, that's the lowest total price we could find by $8. It features an LCD screen with three LED light modes and digital air gauge. Deal ends March 31.