| Customization: | Available |
|---|---|
| Customized: | Customized |
| Certification: | CE, FDA, ISO13485 |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency




Functions | FD-290B | FD-290D | FD-290C | FD-290G |
Doppler type | Continuous | Continuous | Continuous | Continuous |
Display type | B/W | B/W | Colour | Colour |
Build-in speaker | Yes | Yes | Yes | Yes |
Battery indicator | Yes | Yes | Yes | Yes |
Display | Digit | Digit | Digit+ Curve | Digit+ Curve |
Various work modes | Yes | Yes | Yes | Yes |
Battery | Alkalinity | Ni-MH | Ni-MH | Alkalinity |
Charge in device | No | Yes | Yes | No |



