D2 Tire Pressure Monitoring System Cigarette Lighter Plug TPMS with 4 External / Internal Sensors

Main features:
- Real-time monitor:
D2 TPMS can provide the pressure and temperature statuses of 4 tires in real time. When the data are abnormal, the driver will get the voice alarm and flashing warning icon.
- Power supply:
Just plug it in the car cigarette lighter socket and start your car. Then, it will be on, rather convenient.
- Digital display:
The LCD screen with the bright and clear data, easy to read, allows you to know the status of your car easily and quickly.
- 4 external / internal sensors:
We provide 4 sensors with good accuracy for measuring pressure and temperature, which are also suitable for being used on rainy days. You could choose the external sensors or internal sensors according to your need.
- Wide application:
This system is widely suitable for most vehicles with 4 tires, such as the commercial car, jeep, off-road vehicle, minibus, and sedan car, etc.

Specifications:
TPMS:
- Operating voltage: 12V
- Operating temperature: -30 - 85 Deg.C
- Storage temperature: -40 - 90 Deg.C
- Transmission frequency: 433.92MHz
- Signal reception sensitivity: -90dBm
- Pressure unit: psi / bar
- Temperature unit: Deg.C / Deg.F

External sensor:
- Battery: built-in CR1632 button cell
- Working voltage: 2.1 - 3.6V
- Working temperature: -30 - 80 Deg.C
- Storage temperature: -35 - 85 Deg.C
- Working pressure: 0 - 99 psi
- Pressure accuracy: plus or minus 1.5 psi
- Temperature accuracy: plus or minus 2 Deg.C
- Waterproof grade: IP67
- Transmission frequency: 433.92MHz
- Transmission power: less than 10dBm

Internal sensor:
- Battery: built-in CR1632 button cell
- Working voltage: 2.1 - 3.6V
- Storage temperature: -40 - 85 Deg.C
- Working temperature: -30 - 80 Deg.C
- Temperature accuracy: plus or minus 2 Deg.C
- Working pressure: 0 - 99 psi
- Pressure accuracy: plus or minus 1.5 psi
- Waterproof grade: IP67
- Transmission power: less than 10dBm
- Transmission frequency: 433.92MHz