Features：
Efficient: single-large deck observation window, which provides a more efficient view of the puncture site
Comfort: ergonomic design and premium Velcro
Easy Operation: well-educated market(watch wearing method)
Safety: safety button, and yellow stitches on the band as an alert
| Ref. No. | Specification/Strap length |
| DRD17 | 170mm |
| DRD19 | 190mm |
| DRD21 | 210mm |
