◆ Output 4 vertical and 4 honrizontal green laser lines, 1 down laser dot
◆ Self-leveling and light blink alarm when beyond self-leveling range
◆ Compatible both indoor and outdoor application
◆ Instrument base could be rotated by 360° freely
Specifications:
◆ 4V4H1D electronic model
◆ Working range without detector: 25m
◆ Working range with detector: 50m
◆ Laser line wavelength: 520nm
◆ Laser class: Class Ⅱ
◆ Accuracy：±1mm/10m
◆ Self-leveling range: ±2.5°
◆ Working temperature: -－5～45℃
◆ Power: 4*AA batteries or Li battery