Product information:
Screen size: 3.0 inches
Optional colors: Y109 three-lens version, Y109 four-lens version (Wi‑Fi-free)
Operation method: Button control
Key features: Loop recording, front-and-rear dual recording
Product information:
Screen size: 3.0 inches
Optional colors: Y109 three-lens version, Y109 four-lens version (Wi‑Fi-free)
Operation method: Button control
Key features: Loop recording, front-and-rear dual recording
General guide only. Fit varies by brand and style; use garment-specific measurements if supplied.
| Size | Chest (in) | Chest (cm) |
|---|---|---|
| S | 36–38 | 91–97 |
| M | 38–40 | 97–102 |
| L | 40–42 | 102–107 |
| XL | 42–44 | 107–112 |
| XXL | 44–46 | 112–117 |
Measurements are indicative body-chest ranges, not garment measurements.
