<br><b>Product Parameters:</b> <br> <br>Power: DC 10V-30V <br>Working temperature: -40℃ ~ +80℃ <br>Depression＆elevation angle: -40℃ ~ +40℃ <br>Roll angle: -40℃ ~ +40℃ <br>Clock error value: ＜1minute <br>Voltage measurement range: DC 5V ~ 30V <br>Voltage measurement accuracy: 0.5V <br>Speed accuracy: ＜ 0.36Km/h <br>GPS Cold Boot Time: 32s (Average) <br>GPS Hot Boot Time: 1s (Average) <br>GPS Data Refresh Time: 1s <br>Wireless Transmission frequency: 2.4GHz <br>Product size: 70*59*59(mm) <br>Weight: 240g <br> <br><b>Package Listing:</b> <br> <br>1x Autool X90 Car Angle Slope Meter <br>1x Cigarette lighter <br>1x Fixed pad <br>1x Instruction manual <br>1x Packing box