Description: Atmospheric Preure/Temperature : With this Solar LCD Car Tire Preure System, you can easily monitor tire leakage/exceive air preure/exceive temperature. Suitable for paenger cars, commercial vehicles, MPVs, SUVs, minivans and trucks. Solar and USB Dual Charging: The receiver itself has a solar panel and a 450mAh large capacity lithium battery. The sensor battery can last up to 2 years. The socket does not interfere. Solar and USB can be recharged twice, so they can be used normally on sunny or rainy days. Alarm Value and Display Unit Adjustable: 1. high preure alarm; 2. tire high temperature alarm; 3 preure alarm abnormal; 4. sensor low energy alarm; 5. sensor lo alarm; 6. slow speed puncture alarm. If you set the air preure, it when the set value is exceeded. Two preure units are displayed: . You can set it up as needed. There are two types of temperature units: C and F. Can be set and adjusted. Automatic Vibration Detection Function: When the engine is started, the air preure sensor detects vibration and starts automatically. If the sensor cannot detect vibration, the display will automatically enter conserve power. Once the product is turned on, 't have need to turn when not in use. It will automatically turn on when it vibrates. After manually shutting down the product, you need to manually start it on reboot. Specification: Working Frequency 433.92MHz0.1MHz Working Temperature-40 - +85 / -40 - +185 Working Current30mA Operating Voltage5V Preure Range 0- 5.0 Bar / 0- 72.5 Psi WaterproofIP67 Package Includes: 1 Power 4 x External Sensors (Battery Included and Built-in) 4 x Anti-lost Nut 1 x Portable Tool 1 x Charging Cable 1 x User Manual