1. TPMS can monitor tire pressure / temperature status in real time, which will transmit real-time voice alarm and warning indicator light to remind the driver for driving safety. 2. This system is widely compatible with those motorcycles with 2 tires. You don not have to worry about the compatibility issue. 3. Supports USB charging, which means that you could use the USB cable (not included) to charge it up while it is in low power, rather convenient. 4. Its 2 external sensors with IP67 waterproof grade are suitable for being used on rainy days. Besides, they are in high sensitivity and good accuracy for measuring pressure and temperature. 5. Specification: External sensor: Battery: built-in 140mAh button cell Waterproof grade: IP67 Working temperature: -30 - 80 Deg.C Storage temperature: -30 - 85 Deg.C TPMS: Battery: built-in 345mAh Li-ion battery Operating voltage: 3V Working frequency: 2.4GHz Response time: 6s Working humidity: 95 percent and less Pressure monitoring range: 100 - 900 kPa Pressure accuracy: minus or plus 10 kPa
