Description:

Compatible with GoPro Hero3 /3+ camera.

ND4 also name "neutral density filter "，Instead of reducing the aperture to limit light， the photographer can add a ND filter to limit light， and can then set the shutter speed according to the particular motion desired (blur of water movement， for example) and the aperture set as needed (small aperture for maximum sharpness or large aperture for narrow depth of field (subject in focus and background out of focus). 

Package includes:

1X 37MM ND4 Filter

1X Filter adapter 

1X Lens Cap

Shipping Options:
All items will be dispatched within three (3) business days via Airmail after payment is received and cleared.
Item will arrive within 15 to 30 business days. Its arrival time depends on various factors and location.
This item is shipped from overseas， please bear with us and wait patiently as per the shipping time stated.
If after 30 days， you haven't receive the item， pls let us know and we will try our best to solve the problem for you.

Note:
Your shipment can be delayed due to weather conditions， customs or security issues. Buyer shall bear all country， provincial， government， state and local sales， use， goods and services， value added， customs duties， import， excise， privilege and similar levies， taxes or fees and shall be responsible for assuring that the Product(s) can be lawfully imported into and complies with all laws and regulations of the destination country.

Return Policy:
Once purchased， goods cannot be refunded， returned， transferred or exchanged.
You may only to return your order due to any of the following reasons:
A) Damaged-The product is damaged in delivery.
B) Defective-The product does not function as described in its manufacturer specification.
C) Incorrect/wrong item-Not the product the customer ordered (e.g. wrong model etc) Before return product/products to us， please email us at 111globalshipping@gmail.com to let our customer service team to assist you.
To return，the goods must be in new condition and returned in the original packaging along with all accessories (including manuals) and free gifts received with it (if included). The product must not have been used.