STABILA REC 220 Line is a receiver for fast receiving laser beams. It can only receive the pulsed laser beam emitted by the STABILA line laser instrument, and cannot receive the rotating laser beam. The power supply is 2x 1.5V alkaline batteries. The working range is 4 m - 75 m. The accuracy is ± 1.0 mm. The receiving angle is ± 45°. The sound signal is strong: >90 dBA, weak: 75 - 85 dBA. The operating time is >50 hours. The automatic shutdown time is 17 minutes. The operating temperature range is -20°C to +60°C. The storage temperature range is -40°C to +70°C.