Vehicle guide a ball and the compass， to the people in the car easily query the direction， the omni directional gyro design， you read for your guide ball on direction signs， are you now the actual oriented in the direction of. For example， guide the ball in front of you， you read for your sign display"North"， the front of you now is "north". The design can greatly facilitate the driver search direction， not conversion， improve driving safety.

[name]: car guide ball + thermometer 2 1

[color]: Black

[size]: 87 mm (L) *29 mm (W) *60 mm (high)

[material]: ontology ABS

[weight]: 45 grams of temperature range: -20 to 60 degrees