Features: NNR100 and NNR100S optional; NNR100 Includes 1xCamera Long Board Clip;NNR100S Includes 1xCamera Long Board Clip and 1xQuick Release Plate; Easy to adjust the camera distance; Built-in high contrast bubble level ensures the accuracy of vertical or horizontal photography. Made of wear-resistant aluminum alloy, can be used for long term ; With scale lines,more convenient reference. Specifications: Material:Aluminium Alloy Option Type:NNR100,NNR100S Length:Approx.100mm/3.94in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: Package A:(A/B Optional) 1xCamera Long Board Clip (NNR100) Package B: 1xCamera Long Board Clip(NNR100S) 1xQuick Release Plate