Dong Cheng DFF02-12LE Green Laser Level 4V 4.0AH 515NM FEATURES ● Wide Range of Applications Applicable to use in engineering construction, indoor decoration, and other working conditions. ● Long Runtime 4.4Ah lithium battery allows more than 6 hours of working time with the laser line fully opened, meeting the professional needs for long-time use. ● High Line Projecting Accuracy The accuracy of ± 3mm per meter, ensuring the accuracy of line projection. ● Fine Tuning of Angles Rotary fine-tuning base, the universal horizontal bubble can be fine-tuned 360 degrees. ● Remote Control A new generation of smart chips. Simple operation as easy as pie. ● Multi-purpose wall mount SPECIFICATIONS Battery 4V/4.4Ah Laser Diode 515nm Accuracy ±0.3mm/m Auto-leveling Range ±3° Leveling Range ≥120° Vertical Range ≥120° Width of Laser Line 4mm at distance of 10m Operating Temperature -10~40℃ Laser Class 3R Net Weight 0.6kg