We recommend using metal valve stems when using this product. See leaks as they happen, slow leak warning - Monitor tire pressure for varying conditions - Monitor tire air temperature for possible increases (reads in Celsius & Fahrenheit).Set tire pressure low and high alarms separately for front and rear tires - Runs from 12V dc power, No replacing batteries or recharging on the display. Wireless sensors use an internal battery - Mounts on dash or handle bars - 2 sensors included - Switchable from Bar to PSI - Waterproof. The item "CYCLOPS Motorcycle Tire Pressure Monitoring System fantastic kit" is in sale since Wednesday, March 18, 2020. This item is in the category "Vehicle Parts & Accessories\Car Parts\External Lights & Indicators\Bulbs & LEDs". The seller is "brillbikebitz" and is located in Cardiff, Rhondda Cynon Taff. This item can be shipped to North, South, or Latin America, all countries in continental Asia, European Union member countries, Australia, New Zealand, Norway, Switzerland, Egypt, Guernsey, Gibraltar, Iceland, Jersey, Liechtenstein, Monaco, Reunion, South africa, Ukraine.