1. After a short press to launch the laser, the rangefinder displays the current length in real time 2. Double-shot single-receive laser head, data accuracy can reach +/-3mm, accurate and stable 3. Connect the mobile phone via Bluetooth and link with Mijia APP to realize more functions 4. Single button design, simple operation 5. With a high-brightness LCD display, the current measurement data, unit, reference and other status are clear at a glance 6. Aluminum alloy + high-strength engineering plastics, dual materials to create a delicate matte appearance, comfortable to the touch 7. Battery capacity: 370mah 8. Charging port: Type-C 9. Measuring range: 0.05-40m 10. Lower limit display unit: 0.001m 11. Laser type: wavelength 630-680nm 12. Charging parameters: 5V 1A 13. Working power: 0.7W 14. Charging time: about 100 minutes 15. Automatic shutdown time / laser shutdown time: 180s 16. Screen: 1.23 inch LCD screen 17. Bluetooth transmission distance: about 8m 18. Size: 80x35x21mm 19. Weight: about 60gSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 11cm * 9cm * 7cm / 4.33inch * 3.54inch * 2.76inch Qty per Carton 100 Carton Weight 12.00kgs / 26.46lb Carton Size 44cm * 45cm * 35cm / 17.32inch * 17.72inch * 13.78inch Loading Container 20GP: 384 cartons * 100 pcs = 38400 pcs 40HQ: 893 cartons * 100 pcs = 89300 pcs