What are Specifications:
Tire Pressure Monitor: -Operating Voltage: 3.7-5V
-Storage Temperature: -30 to 90 Degrees C
-Working Temperature: -30 to 85 Degrees C
-RF Emission Frequency: 433.92MH more or less 50KHz
-RF Signal Sensitivity: -90dbm
-Display Mode: LCD Colour
-Bright Screen Current: Less than or equal 6mA
-Black Screen Current: Less than or equal 4mA
-Size: 85 x 95mm

External Sensors:
-Battery Life: 24 Months
-Operating Voltage: 2.1-3.6V
-Storage Temperature: -30 to 90 degrees C
-Working Temperature: -30 to 85 degrees C
-Temperature Resolution: More or less 2 degrees C 25 degrees C
-Pressure Range: 0-3.5Bar
-Pressure Resolution: More or less 0.1Bar
-Waterproof Grade: IP67
-Transmitted Power: Less than or equal 10dBm
-Emission Frequency: 433.92MHz
-Lithium Battery: CR1632 Battery Built-in
-Size: 21mm D x 17mm H

What is Description:
-Solar powered Monitor, with a micro USB charging port for no-sunlight situations.
-Wireless external sensor technology.
-Easy to install, IP67 waterproof sensors, will not 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 and F Degrees Temperature unit select.

What in the Box:
-1 x Ceiling Fan Light
-1 x Remote
-4 x Expansion Screw Sets
-1 x Manual

Notes:
-The colours may vary slightly depending on different monitor displays.
-Please allow for minor discrepancies due to manual measurement.