Features:LCD display,Real time monitoring, individual tire data showed.Wireless transmission, no wires connection is needed.Visual and audible alarm.Tire leakage, high/low pressure and high temperature alarm.General:Brand: SteelmateModel: ET-910AEPressure unit: Bar / PSI (optional)Waterproof rate: IP67Package size: 19 * 19 * 10cm / 7.5 * 7.5 * 3.9in Package weight: 650g / 1.4lbs