ITEM NAME:AN-10 Solar Car TPMS Tire Pressure Monitor Alarm Warning System+4External Sensor Product Description Description: AN-10 Solar Car TPMS LCD Display Auto Tire Pressure Monitoring Tyre Temperature Alarm Warning System with 4 External / Internal Sensors Feature: 1. High-efficiency solar panels, super long working duration; 2. Large-capacity built-in metal lithium battery; 3. Accurate tire pressure monitoring; 4. LCD high precision liquid crystal display; 5. Large volume alarm sound alert; 6. A variety of tire pressure units are available; 7. Long receiving distance and stable signal; Specification: Sensor type: External sensor, Internal sensor (Optional) Tire pressure setting range: 0.1~4.2 Bar Tire temperature setting range: 60~90 ℃ Working temperature range: -20~+80 ℃ Storage temperature range: -30~+85 ℃ Power-on voltage: DC 5V Frequency: 433.9200MHz ±0.1MHz Size: 94*84*26.5mm/3.70*3.31*1.04" Weight: 60g Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Main Unit 4 X Sensors 1 X Bracket 1 X USB Cable 1 X Adhesive Tape 1 X Installation Package 1 X Instruction Manual.High-efficiency solar panels, super long working duration;. Sensor type: External sensor, Internal sensor (Optional). Accurate tire pressure monitoring;. A variety of tire pressure units are available;.