Main Features:- Dynamically monitor tire pressure, can prevent puncture and damage of car parts caused by the flat tire. Improve fuel efficiency, prolong tire life, increase traffic safety and avoid abnormal wear of vehicle parts.
- Built-in lithium-ion battery, LCD screen displays tire pressure and temperature simultaneously.
- 4 external sensors which are easy to be mounted and replaced. No risk to destroy your tire, just plug and play.
- Each sensor is controlled by individual chip and will automatically shut down when the tire stops running for 10 minutes. When you drive the car to 20km/h, the sensor will wake up and update data.
- Support visual and audio alarm, air leakage alarm, overproof tire pressure and temperature alarm.
- Tire pressure and temperature alarm standard level can be set.
- Designed for most 4-tire cars, need to be powered through the cigarette lighter.

Specifications:
Working Temperature: -20 Deg.C - 70 Deg.C
Working Voltage: DC 12V - 24V
Pressure Range: 0 - 3.5 Bar
Temperature Range: -40 Deg.C - 130 Deg.C
Transmission Frequency: 433.92MHz

Note:
This unit is not compatible to 6-tire RV, truck, trailer with a longer body.
Type: The Cigarette Lighter Type Package weight: 0.363 kg
Product Size(L x W x H): 8.00 x 5.00 x 2.00 cm / 3.15 x 1.97 x 0.79 inches
Package Size(L x W x H): 21.00 x 14.50 x 6.00 cm / 8.27 x 5.71 x 2.36 inches Package Contents: 1 x Car Wireless Tire Pressure Monitoring System, 4 x External Sensor, 4 x Nut, 1 x Wrench, 1 x Replacement Tool