Feature:
1. optical glass, precision polished and polished for high definition imaging,
2. multi-layer nano-coating process, giving the lens high quality waterproof, oil-proof, dirt-proof and scratch-proof performance,
3. aircraft aluminium frame with laser laser engraved logo, matte black frame to prevent light leakage and ghosting,
4. anti-slip gear design, knurled pattern on the top and bottom of the frame, easy to install and remove,
5. installation without damaging the original lens and changing the filter at any time so that you don't miss a great moment,
6. The lens is made by nano-coating process, the colour presented by the lens is different under sunlight and light.

Cautions：
1. only UV filters can transmit 98.5% of light, CPL/ND filters cannot be expressed in terms of light transmission,
2. the lenses may appear in different colours under the angle of light, the final product will prevail,
3. installation and disassembly may touch the lens and leave fingerprints, use a cleaning cloth to wipe the lens.

Description:
Material: Aluminium (frame) + Optical glass
Applicable models: for Gopro 9/10/11/12
Color: Black
Net weight: 0.22oz.(6.4g).(Single), 0.9oz.(25.8g),(4 Set)
Package weight: 1.27oz.(36.8g).(Single),2.26oz.(64.8g),(4 Set)
Product size:1.22*1.22*0.19in(3.1*3.1*0.5cm)
Package size: 2.63*2.63*0.78in(6.7*6.7*2cm).(Single), 3.66*3.66*0.7in(9.3*9.3*1.8cm).(4 Set)

Packing list:
1pcs CPL Filters , 1PCS ND8 Filters , 1PCS ND16 Filters , 1PCS ND32 Filters 

Cleaning instructions.
If the lenses are contaminated with dust, water droplets or other contaminants, whether or not they have been eliminated, please remember the following instructions for use
1. blow off any dust on the surface of the lenses first.
2. clean them again with a clean brush.
3. wipe gently with the filter cleaning cloth delivered.
4. use a special lens cleaning solution for better results.
5. Keep in the special storage box when not in use.