| type | DF3105 - A pen type red light |
| central wavelength | 650nm±10nm |
| Type of Lamp-house | FP-LD |
| output power | Optional choice for 1mw, 10mw on actual needs |
| modulation system (Hz) | CW,2 |
| Fiber Type | SM MM |
| power supply mode | 2 section 1.5 VAA batteries |
| Battery work time (h) | 60(1mw/650nm) |
| operating temperature (ºC) | -10~+75 |
| storage temperature(ºC) | -40~+70 |
| boundary dimension (mm) | 25x206 |
| weight(g) | 106g without battery |