1. ,High standard to dust-proof,waterproof and high temperature proof. 2. Real-time display of highly accurate tire temperature and pressure data of 3 wheels at the same time 3. Extend tire life, balance tire pressure, the safety of motorcycles 4. PSI, BAR two kinds of pressure unit optional, ℃ and ℉ two kinds of temperature unit optional 5. TPMS dedicated radio frequency technology, the sensor real-time updates data, alarm when tire pressure and temperature are abnormal Three Wheeled Motorcycle:Suitable for tricycle with single wheel in rear. Intelligent AI Chip:Air leakage alarm,Low pressure alarm,High voltage alarm,Low battery alarm,High temperature alarm. 2 Units:2 Units PSI, BAR can choose. Installation Attentions Display parameters: Battery Time: 3h use per dayx15days Temperature setting range : ( 60 ℃ ~ 110 ℃ ) Working temperature: (- 20 ℃ ~ +80 ℃) Storage temperature: (- 30 ℃ ~ + 85 ℃) Receiving frequency: 433.92MHz ± 20.00MHz Detection Pressure Range: 0.1 ~ 5.0bar Sensor parameters: Working temperature: (- 40 ℃ ~ + 105 ℃) Storage temperature: (- 40 ℃ ~ + 120 ℃) Pressure range: 0 ~ 116PSI (0 ~ 8bar) Pressure accuracy: ± 0.15PSI (± 0.01bar) Temperature accuracy: ± 3 ℃ Transmission frequency: 433.92MHz ± 20.00MHz size:50x50mm Material:PVC colour:Black Package Contents: 2 x display 6 x External sensor 6 x Anti-theft nut 2 x wrench 2 x bracket 2 cord Only 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.