Features: Brand new and high quality. Real-time tire pressure and temperature monitoring with LCD displaying. Quick air leakage alarming, to prevent tire burst and extend the tire"'"s life. Two units of pressure (PSI / BAR) and temperature (Deg.C / Deg.F) to select. Independent sensor ID number, directly install and use. Supports alarming value range setting. Supports tire position exchange function. TPMS professional technology, to transmit more accurate data. Specifications: External Sensor (WI Sensor): Battery: button battery, independent replacement Battery life:1-2 years Sensor pressure monitoring range: 0-8Bar (116Psi) Pressure accuracy: 0.1Bar (1.5Psi) Internal Sensor (TH Sensor): Battery: CR2032, professional replacement Battery life:2-3 years Sensor pressure monitoring range: 0-8Bar (116Psi) Pressure accuracy: 0.1Bar (1.5Psi) TPMS: Display: LCD screen Battery: Built-in Li-ion Battery Standby current: 1A Operate current: 15mA Pressure testing range: 0 - 8 BAR (0 - 116 PSI) Temperature testing range: -40 Deg.C - 120 Deg.C Emission frequency: FSK433.92MHz Installation instruction: 1. Unscrew 2 screws and fasten them on motorcycle/electric vehicle/bicycle; 2. Install the bracket firmly at the position you need. 3. Install the bracket on the tire pressure receiver, tighten and lock it; Adjust the appropriate Angle by the ball head rotates. Package Included: 1 set x Motorcycle Tyre Pressure Monitoring System