1. Solar power charging technology, energy saving and environment protection.2. HD color LCD dispaly, shows the pressure and temperature of 4 tires at the same time.
3. Low/ High pressure alarm setting.
4. Alert immediately when temperature or pressure of tire under abnormal condition.5. Smart working function, automidically working and sleeping mode.
6. Interal/External sensor.(optional)
7. MAXELL battery, sensor working life is about 2 years.
8. Visual and audible warming.