Monitors both tire pressure and temperature 3 Wheel for Trikes/CanAm/SlingShot Integrated 32-bit ARM Cortex M0 MCU 64 kB system memory Working temperature - 40-185°F (AM Spec.) Humidity: 95% MAX Tire Pressure measurement range between: 0-100 psi Temperature reading accuracy: -/+ 5°F Battery life 2-4 years depending on version installed