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Features:
Solar powered Monitor, with a micro USB charging port for no-sunlight situiations.
Wireless external sensor technology.
Easy to install, waterproof sensors, won't worry about rainy days.
LCD screen displays Real Time monitored pressure and temperature of 4 tires at once.
With tire leaking warning.
With "beep" warning for abnormal tire pressure and temperature.
PSI/BAR pressure unit selectable.
Celsius/Fahrenheit degree (°C/°F) Temperature unit selectable.
Universally fits most cars, vehicles, SUVs, etc.

Specifications:
Monitor:
Display: LCD color screen
Power supply: Solar powered
Operating voltage: 3.7V - 5V
Operating current: u0026lt;10mA
Working Temperature: -40℃ ~ +90℃
Accuracy: ±3°C
Monitoring Pressure: 0 - 5.0Bar / 0 - 99Psi
Accuracy: ±0.1Bar / 1.5Psi
RF transmission frequency: 433.92MHz+/-50KHz
RF signal reception sensitivity: -90dbm
Operating temperature: -20℃ ~ +75℃
Size: Approx. 95 x 82 x 25mm

External Sensor:
Working frequency: 433.92MHZ
Working voltage: 2.1V - 3.6V
Operating temperature: -40℃ ~ +90℃
Battery type: CR1632 Battery (Included, Already place in each sensor)
Battery life: about 2 years
IP Grade: IP67
Size: Approx. 21 x 17mm