The Tymate TM8 tire pressure monitoring system is $34, down from $45. It includes four sensors, solar and USB charging options, and a windshield-mounted color display with six alarm modes for pressure, temperature, and signal issues. Buy Now at Amazon
Features
Monitors tire pressure and temperature in real time with accuracy up to ±1.5 PSI or ±3°F Six alarm modes cover high/low pressure, fast air loss, high temperature, low sensor battery, and lost signal Solar-powered charging with USB or cigarette lighter charging as backup Color LCD display mounts on the windshield for hands-free viewing Monitors pressure from 0 to 87 PSI, suitable for cars, SUVs, trucks, and RVs Sensors transmit signal up to 36 feet
