Features: brand new and high quality Compact underwater aluminum alloy support with dual handle design for stabilizing underwater shot The arm features 1/4'' hole and dual hot shoes for the added gear, and In the base of the 1/4'' screw is designed for attaching your camera. 1/4'' and 3/8'' hole on the bottom enables the frame to be mounted to a tripod and monopod. Two cold shoes for the added fill lights and other rigs Aluminum construction with dual handles, compact and lightweight Specifications: Material:Aluminum Alloy Size: Approx. 12x16x2.5 for cm/4.72x6.3x0.98 inches Package Includes: 1x Action Camera Bracket 1x Three-prong Mount 1x Wrist Strap 1x Instruction 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.