We are reviewing prices periodically if items do not sell, so please refrain from price negotiations. Immediate purchase is welcome. Returns and exchanges are not accepted. SmallRig Wireless Control SmallRig Rotatable Quick Release Side Handle 4402. For details, please refer to https://amzn.to/3MQZO7r. We do not offer support or guarantee the operation of the product after it has been handed over, including any operational issues or compatibility problems. Please understand this before purchasing.