Product details:

Monitor pressure and temperature in real time Low/high pressure warning Easy install sensors Wireless data transmitting with anti-interference technology Plugs directly into 12V outlet Schumachers SA1346 Wireless Tire Pressure Monitor display unit plugs directly into vehicles 12V outlet. Sensors install easily on tire (batteries are preinstalled). Easily transmit data wirelessly and without interference. This system monitors and displays conditions in real-time with high/low pressure warnings. Interchangeable reading units allow you to choose between PSI or BAR.