D Features: The E9800Xbl model extends beyond the basic functionalities of typical speedometer apps. It incorporates professional analysis algorithms, including standard deviation analysis and MER (Measurement Error Rate) accuracy evaluation, making it an essential tool for professional users. This advanced analysis helps in providing more than just value recording; it aids in comprehensive data analysis, setting it apart from other mobile applications. Color Options and Design: Available in striking Blue and Tan colors, this chronograph combines aesthetic appeal with functional design, featuring a user-friendly LCD display for clear and immediate reading of measurements. Color: As shown Material: Alloy, P-Lastic, LCD Display Package Contents: 1x multifunction speed detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.