Features: 100% brand new and high quality The camera accessory of the 9 MAX lens contributes to video stability. Ultra-wide-angle, which can enhance the viewing angle and enhance the depth of field. Tempered spherical optical glass, the light transmittance is greater than 97%, and the hardness is greater than 9 H. Waterproof, dustproof, drop-proof and pressure-proof. Easy to install and disassemble, no tools are needed. Package Includes: 1x Waterproof Housing Case 1x Base 1x Screw Specifications: Material: PC+Tempered Glass+Stainless Steel Weight: 120g Size: 8.3x5x8.8cm/3.26x1.96x3.46inch Compatible with: 9 Max Action Camera note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.