Godox XproII-L 2.4G TTL Wireless Flash Trigger Transmitter --Even Exposure for Your Pictures:Both TTL and HSS are offered, which allows you to use your flash at shutter speeds up to 1/8000s. The flash trigger helps that your entire picture is evenly exposed. More, real-time display of remote flash settings on an extra-large LCD screen to gain professional results, your image would get the perfect exposure. .
eBay