Fangrui Product Details Hidden Design Compatible With For Atx/e-atx Motherboard Support Graphics Card With Different Width/thickness Height-adjustable Hidden Metal Support Frame Better Protect Graphics Card Battery Capacity:1200mah Input Power:5v/1a Water Tank Capacity:280ml Installation Instructions: 1. And Install Two Hexagonal Posts, Two Pairs Of Posts Of Different Heights, And Choose One Of Them To Fix To The Motherboard 2. Using M36 (longer) Screws(not Included), Secure The Perforated Strips To Both Posts. 3. Plug In The Graphics Card. 4. Use Two M3x4 (shorter) Screws(not Included) To Fix The Support Arm On The Long Slot Of The L Arm, Compare The Support Point Of The Graphics Card, And Tighten The Screw By Telescopic Adjustment To The Appropriate Position. 5. Paste The Top Pad, The Top Pad Generally Uses 1-3 Capsules. 6. Use An M3x4 (shorter) Screw (not Included) To Adjust The Top To The Graphics Card Position To Fix The Combined Support Arm On The Perforated Strip, And The Installation Is Complete. Colour:black M