Features: Easy installation and reliable Can be interfaced to GPS/DVD/Car monitor Automatic waking up when vehicle start in motion High pressure and low pressure setting by user High temperature setting by user Pressure unit selectable: PSI, BAR Available for Passenger car, Truck & trailer Specification: Sensor: Pressure Range:0-87PSI (0-6Bar) Pressure Sensitivity:0.1 Bar or 1..5PSI Temperature Sensitivity:±3°c Transmission Power: 10dBm Transmission Frequency:433.92MHz Battery Life: 2 years (CR1632) Operation Temperature:-40°c~+85 °c Weight:11grams Size:Diameter:21mm, hiehgt:21mm