FEATURE Product size: 120 x 20 x 35mm Product net weight: 95g laser-wavelength: 660nm laser-class: Class II Material: metal+plastic Color: as shown Protection level: IP54 Indoor distance: 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 NOTE 1.This laser-line angle meter can be used with any bracket that has a 1/4 inch screw interface Package Contents: 1 x Angle Meter 1 x USB Cable 1 x Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.