1. High bright and slim LD red light, Long-distance construction is clearly visible. All-aluminum one-piece precision casting, Outstanding craftsmanship quality. 2. Ultra-wide double-sided LED screen, On various occasions, Clear display. in control, Good-looking and . 3. IP54 engineering-grade protection, Reinforced fuselage protection, Fearlessly protects against harsh challenges. 4. Built-in high-capacity lithium battery efficient battery life, with Type-C charging interface, Fast charging with long-lasting power, Easy to range anxiety. Adjustable bracket, Easy fixation Improves efficiency. Product name: LI1 Laser-Angle Line Casting Instrument Laser-wavelength: 660nm Laser-class: Class II Protection level: IP54 Indoor distance: less than equal 10m Horizontal accuracy: 1mm/5m Vertical accuracy: 1mm/5m Working temperature: -10~50 Storage temperature: -20~55 Battery specification: 730mAh rechargeable lithium battery Working mode: absolute angle + relative angle Type: Angle Meter color:Photo color Material:ABS size:103 x 95mm Package Contents: 1 x Bracket Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.