| Max. Headband diameter | approx. 200 mm |
|---|---|
| Min. Headband diameter | approx. 160 mm |
| Lamp head diameter | 29 mm |
| Length of lamp head | 62.50 mm |
| Length of lamp arm with lamp head | approx. 135 mm |
| Weight without batteries | 210 g |
| Weight with CR 123 A lithium batteries | batteries 242 g |
| Weight with rechargeable AAA batteries | batteries 259 g |
| Technical data of the lamp for ri-focus | 5700 Kelvin CRI 93 4.6 W |
| Light field Distance | 400 mm / 200 mm |
| Light field Lux max. | 10,000 / 23,000 |
| Light field Circle of light max. Ø | 200 mm / 120 mm |
| Light field Circle of light min. Ø | 40 mm / 30 mm |
| Plug-in charging device | 5.8V 0.25A 50/60 Hz |
| Ambient temperature | 0° to +40 °C |
| Relative Humidity | 30% to 70% non-condensing |
| Storage/ Transport Ambient temperature | -5 ° to +50 °C |
| Storage/ Transport relative Humidity | 10% to 85% non-condensing |