1. Working frequency: 433.92MHZ 2. Working temperature: -30-70 degrees Celsius 3. Working voltage: 5V 4. Working current: 28AH 5. Dimensions: 45x45x22 mm 6. Monitoring range: temperature: -40-90 degrees Celsius, air pressure: 0-88Bar 7. A wide range of compatibility, universally applicable to two-wheeled vehicles 8. Real-time digital display monitoring, timely alarm, safe driving 9. After parking for 10 minutes, it will automatically enter the dormant standby state, and it will automatically turn on when it is subjected to vibration induction, without manual operation, saving worry and power 10. Smart chip, more accurate and timely data 11. Wireless sensing technology, real-time data transmission, strong received signal, no interference 12. High sealing, waterproof and moisture-proof, dust-proof and high-temperature, not afraid of rain and heat 13. Solar wireless charging, energy saving and environmental protection, peace of mind