ITEM NAME:AN001 Solar Car TPMS LCD Tire Pressure Monitoring System+4pc External Sensors Product Description Description: AN001 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: 0.1~3.5 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" Gross weight: 210g (external sensor), 300g (internal sensor) 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 Set X Installation Tools (Optional) 1 X Instruction Manual.Accurate tire pressure monitoring;. High-efficiency solar panels, super long working duration;. A variety of tire pressure units are available;. Sensor type: External sensor, Internal sensor (Optional).