Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Features:1. 100% Brand new， high quality.2. LCD with Backlight.3. Weight(without battery): 108g4. Power supply: 1 x 9v Alkaline Battery (battery not included)5. Measure Distance From 1.5 Feet to 60 Feet.( About 0.5 to 18 meters)6. Area， volume， addition， subtraction calculation.7. Frequency: 40kHz (ultrasonic pickup)8. Resolution 0.01M or 1/2 Inch.9. Working temperature 32 F to 109.4 F ( 0 'C to 43 'C)10. Accuracy:+/- 0.5%25 +/-111. Dimensions: about 155 x 75 x 45 mm12. Auto OFF: switches off if you do not press any key for about 1 min.13. Your distance measurer transmits ultrasonic waves to a point you want to measure.14. It measures the time taken by the waves to reflect and then calculates and re-transcribes the distance.15. Units of Measure : Feet/MetersProduct Weight: about 135gCaution: Don't stare into the laser beam and also don't shoot laser beam to any other's eyes.The Laser emitted from the unit is visible laser of 650mm wavelength.Package Included:1 x Ultrasonic Distance Measurer1 x English Manual