1Tire Pressure Monitor: Real time monitoring the tire pressure and temperature for 6 tires simultaneously, IP67 waterproof, sealed against dust, avoid a variety of harsh climates, with high accuracy. 2Power Supply: Built in solar panel and battery, support USB cable charging and solar charging, ensuring that the tire pressure monitoring system can work continuously. 3Receiver Parameter: Equipped Lcd high precision liquid crystal large screen display, which has loud volume alarm sound warning, with working voltage of Dc 5V. 4High Performance: Bar and psi tire pressure units are optional, the tire pressure monitoring system has long receiving distance, stable signal, and support tire position swap. 5Built in Battery: Built in 6 CR1632 button batteries in the sensor, lithium battery in the receiver, which has long battery life, durable in use.