【Visiblable】4.8-inch large size, high-definition LCD display; P21 meter reads the driving data of the car through the OBD2 interface of the car ECU, Instantly read driving information under the condition that drivers’ view does not shift during the driving of the car.To keep the drivers’ eyes on road always to avoid the dangerous of lowering down head.
This product does not rewrite any data in the ECU.
【Multiple Functions】P21 contains multiple functions: vehicle speed, rotation speed, fuel consumption, water temperature and voltage, etc.,mile and kilometer ,sound alarm Switch ,speeding alarm ,fatigue driving reminder. The speed unit is KM/H or MPH, and the driver can switch freely according to his own habits.
【Alarm Function】Over-speed Alarm and fatigue driving alarm to ensure your safe trip. Default setting is 120KM/H or 120MPH. You can adjust it according to your needs. When the product detects speeding, it will beep to remind the driver.
【Plug & Play】Power through vehicle cigarette lighter/OBD2 Cable. The P21 display the real and instance speed with GPS satellite. Compatible with all cars ,no matter which brand or which model all over the world cause G5 is based on the GPS module inside.OBD2 system obtains data from Car ECU
【Certified Product】CE FCC RoHS Certification, Ensure product quality.