Full Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Xiaomi Smart Laser Measure |
| Model | MJJGCJYD001QW |
| Measurement Range | 0.05 m – 40 m |
| Accuracy | ±(3 mm + 5 × 10⁻⁵ × D) |
| Display Unit | 0.001 m |
| Laser | Class II (630–680 nm) |
| Display | 1.23″ LCD |
| Connectivity | Bluetooth (approx. 8 m) |
| Battery | 370 mAh Li-ion (~3,000 measurements) |
| Charging | Type-C, 5 V⎓1 A, ~100 min full charge |
| Auto-Off | 180 s (power & laser) |
| Operating Temp. | -10 °C to 50 °C |
| Storage Temp./Humidity | -20 °C to 60 °C / 20–80 % RH |
| Dimensions | 80 × 35 × 21 mm |
| Weight | ≈ 60 g |
| Standard Compliance | Class II laser, industrial-grade tests |
| Package Includes | Laser measure, USB-C cable, manual, warranty card |
Product Overview
Product Overview
Dimensions: 80 × 35 × 21 mm
Usage Guidance
- Ensure the laser dot is visible for accurate readings—indoor use recommended.
- Toggle between front- and rear-edge measurement by double-tapping the button.
- Sync to Mi Home app (version 6.9.200+) via Bluetooth to record and visualize measurements.
- Auto-off functions help conserve battery—wake with long press.
- Recharge with standard USB-C charger; avoid high heat or humidity storage.
Battery & Maintenance
- Battery supports ≈3,000 measurement cycles per full charge.
- Avoid direct eye exposure to the laser beam—Class II safety.
- Keep laser lens clean; store per local e-waste disposal regulations.





