Bracket 1.Size: L1-18.9cm x 14.7cm L2-27.8cm x 18.2cm 2.Material: L1-Thermostabile ABS L2-Aluminum Zinc Alloy 3. Unique 3 ways 180° x 360° x 360° bending Adjustments 4.The omni-directional and non-dead angle characteristic 5.Convenient for installation