The second generation upgrade product, color screen display, the system is more perfect. Real-time highly accurate tire temperature and pressure, display four-wheel data. Fuel saving, predicting air leakage, extending tire service life, balancing tire pressure and ensuring driving safety. PSI, BAR two pressure unit selection, °C and °F two temperature unit selection. Each sensor has a separate ID code. The tire position can be interchanged. South Korea certified radio frequency technology, effective transmission distance of more than 80 meters, update sensor real-time data, timely alarm tire pressure and temperature abnormal. High temperature explosion-proof battery, long-lasting power, more accurate monitoring data, keep your life safe. Color: As picture show. Working Temperature: (-20°C +80°C). Storage Temperature: (-30°C +85°C). DC 8V – 16V. Transmission Frequency: 433.92MHz. 342444mm / 1.3 x 0.9 x 1.7in. 15g/0.5oz, (for): Approx. Working Temperature: (-40°C +105°C). Storage Temperature: (-40°C +120°C). Pressure Range: 0 116psi (0 8bar). Pressure Accuracy: ±1.5 PSI (±0.1 bar). Temperature Accuracy: ±3 °C. Battery Life: >5 years. 69 32 15mm/2.7 1.3 0.6in. 1 Set of Screws. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.