High precision, low power consumption, and stable performance. Long standby time with extended battery life, supporting external sensors for up to 1 to 3 years. Powered by charger and solar dual-loop power supply system. Designed for quick and convenient installation; pairing setup is simple and user-friendly. Can be mounted on the windshield or placed on the dashboard; compatible with cars and SUVs. Color: Black Material: Plastic and metal Package Contents: 1 x Tire Pressure Monitor 4 x External Sensors 4 x Anti-theft Nuts 1 x Wrench 1 x English Manual Product package includes only the items listed above; other accessories are not included. Note: Due to lighting effects and monitor settings, the color of the item may vary slightly from the images shown. Measurement error allowed within +/- 1-3 cm.