1. new magnetic charging design.2. Real-time display of highly accurate tire temperature and pressure data of 2 wheels at the same time3. Extend tire life, balance tire pressure, the safety of motorcycles4. TPMS dedicated radio frequency technology, the sensor real-time updates data, alarm when tire pressure and temperature are abnormal5. High standard to dust-proof,waterproof and high temperature proof.[Magnetic Charging]Very convenient magnetic charging design.[Intelligent AI Chip]Air leakage alarm,Low pressure alarm,High voltage alarm,Low battery alarm,High temperature alarm.Sensor:Operating frequency: 433.92MHz ± 15MHzOperating voltage: 2.1-3.3VOperating temp.: -40 - +105CelsiusPressure range: 0-8Bar / 0-116PSISensor size: 23mm x 15mm () / 18mm x 13mm(WI)Display:Operating frequency: 433.92±15MHzBattery Type: Build on with lithium battery USB power line for chargingDisplay size :48mm x 48mm x 27mmColour:blackMaterial:ABSPackage Contents:1 x Host Display2 x Sensor1 x Bracket1 x Spanner2 x Anti theft nut1 x USB cable1 x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.