Features: With compa, diversified functions. LCD digital display, beautiful and compact appearance. Two rounds of the same test, one screen tire preure and tire temperature display. Tire preure unit Psi and Bar can be switched arbitrarily, universal. Adjustable preure alarm value, suitable for different models of two wheels. Magnetic USB charging port for fast charging of mobile devices at any time. Specifications: External Sensor: Working Temperature: -20~80 Storage Temperature:-30~85 Emiion Frequency: 433.92MHZ Emiion Power: Battery: button battery, independent replacement Battery life:1-2 years Sensor preure monitoring range: 0-4Bar (58Psi) Preure accuracy: 0.1Bar (1.5Psi) Internal Sensor: Working Temperature: -20~80 Storage Temperature:-30~85 Emiion Frequency: 433.92MHZ Battery: Profeional replacement Battery life:2-3 years Sensor preure monitoring range: 0-4Bar (58Psi) Preure accuracy: 0.1Bar (1.5Psi) TPMS: Display: LCD screen Battery: Built-in Li-ion Battery Working Temperature: -20~80 Storage Temperature: -30~85 Working Voltage: 5V Emiion frequency: 433.92MHz 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 preure receiver, tighten and lock it; Adjust the appropriate Angle by the ball head rotates. Package Included: 1 set x Motorcycle Tyre Preure Monitoring System