ITEM NAME:Car HUD OBD 2 II Head Up Display Speed Projector Overspeed Warning Alarm System Product Description Description: L1 Car HUD OBD 2 II Head Up Display Windshield Speed Projector Auto Overspeeding Water Temp Warning Alarm System Feature: 1. Speed 2. RPM 3. Water temperature 4. Voltage 5. Display mileage when engine stops 6. Speeding alarm 7. RPM alarm 8. Low voltage alarm 9. Water temperature alarm Specification: Applicable vehicle model: for cars with OBD 2 interface Installation: plug and play Working voltage: OBDII 12V Maximum working current: 150mA Standby working current:
