TPMS-X3 Tire Pressure Sensor – Latest Version New – Original – High Quality ✅ 4 external sensors that attach to the tire valve ✅ Digital display for showing the pressure and temperature of each tire ✅ Solar-powered + USB charging ✅ Immediate alert when pressure or temperature is low/high ✅ Very easy installation without wires ✅ Strong battery lasts even without sun exposure ✅ Adjustable alert level according to your preference ✅ Corrosion-resistant metal construction ✅ Ability to replace one valve without changing the entire set ✅ Excellent stability on the front windshield + screen brightness control