| Armlength | : | 2 x 600 m |
| Orientation | : | NNW and ENE |
| Tube diameter | : | 60 cm |
| Laser type | : | Diode-pumped Nd:YAG laser at 1064 nm |
| Laser power | : | 10 W single mode at 1064 nm |
| Power recycling | : | up to 10 kW |
| Optics | : | 25 cm diameter fused-silica mirrors |
| Signal recycling | : | up to 1000 times |
| Frequency range | : | 50 Hz to 1.5 kHz |
| Bandwidth | : | > 60 Hz (depending on signal recycling factor) |
| Vacuum | : | pressure < 10-8 mbar |
| Sensitivity | : | depending on bandwidth |
| h ~ 10-20 ... 10-21 (for bursts) | ||
| h ~ 10-26 (for cw signals and 1 yr integration time) |