Model Number: UA602 Brand Name: UYIGAO Key Specifications/Special Features: 1.Laser wavelength: under 635nm point: vertical and horizontal lines wavelength 650nm2.Automatic Anping range: ± 3° ultra range of light shining3.Launch angle: ≥120 °4.Levels of accuracy: ±1mm/5m5.Vertical accuracy: ±1mm/5m6. Next point accuracy: ±1mm/140cm7.Quadrature accuracy: 90°±1°8.Width: 2mm/5m9.Operating environment: Indoor/outdoor10. Power: 2.5 battery, Lithium battery, AC power supply (charger) working hours11. Continous operating hours: >=10 hours (all lines working all the same time)12. Weight: 1kg (including battery)