Tire Pump 12V Air Compressor
This air inflator automatically shuts off when the preset tire pressure is reached via the "+" and "-" buttons. It has an integrated LED light, so you can work at night or in dark places. The price drops from $39.99 to $34.99 to $30.99 when you clip the $4 off coupon on the product page. Shipping is free.
Clip the $4 off coupon on the product page