Compatible with Hik vision DS-2DF5225X-AEL, DS-2DF5232X-AEL, DS-2DF7232IX-AEL, DS-2DF7225IX-AEL, DS-2AF7230TI-AW Aluminum Alloy & Steel Material Waterproof design Load capacity of Pole should be more than 3 times the weight of camera and bracket. The maximum load capacity of the clamp is 30 Kg (66 lb.)