1. Good phase optical linearity, accurate and stable2. Waterproof and dustproof, 1.5 meters anti-drop, double photosensitive holes3. Aspherical optical lens to enhance reflected signal to ensure accuracy, stability and low power consumption4. HD backlight, easy to use in dark environment5. Large capacity, 99 sets of data storage6. Measuring range: H-D510A: 50 meters, H-D710A: 70 meters, H-D100A: 100 meters, H-D120A: 120 meters7. Scope of application: indoor ranging measurement, length/height measurement, infrared ranging8. Measurement mode: length / area / volume / Pythagorean / angle measurement / height measurement / wall speed measurement9. Input current: 1A10. Input power: 5w11. Working voltage: 3.7v12. Power mode: USB charging / built-in lithium battery13. Battery capacity: 850mah14. Protection class: IP5415. Packing list: main unit, USB charging cable, manual, color box, carrying bag, reflector, lanyard16. Dimensions: 11.2 x 5 x 2.5cm17. Weight: about 240gSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 16.3cm * 8.9cm * 5cm / 6.42inch * 3.5inch * 1.97inch Qty per Carton 80 Carton Weight 22.00kgs / 48.50lb Carton Size 38cm * 57cm * 39cm / 14.96inch * 22.44inch * 15.35inch Loading Container 20GP: 315 cartons * 80 pcs = 25200 pcs 40HQ: 732 cartons * 80 pcs = 58560 pcs