AN-11 Solar Car TPMS Touch Switch Auto Tire Pressure Monitoring Tyre Temperature Alarm Warning System Feature: High-efficiency solar panels, super long battery life. Large-capacity built-in metal lithium battery, no worry in cloudy days. Accurately monitor tire pressure stability all the way. High precision LCD display. Multiple tire pressure units are available. Long receiving distance, stable signal. Tire position interchange. Specification: Air pressure setting range: 1.0~3.5bar Temperature setting range: 40~68 Working temperature: -20~+80 Storage temperature: -30~+85 Power-on voltage: DC 5V Frequency: 433.92MHz20.00MHz Size: 95*80*27mm/3.74*3.15*1.06 Weight: 68g Sensor type: External, Internal (Optional) Gross weight: 180g (external), 280g (internal) 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. 1 X Receiver 4 X Sensors 1 X USB Cable 1 X Installation Kit for External Sensors (Optional) 1 X Manual Monitor Alarm System Temperature AN-11 Solar TPMS Touch Switch Car Tyre Pressure for Unique Parts Portable Car Ornaments Drop