The SMD series digital flashlight is small source especially for digital shooting. It uses ring flashtube and stationary type reflective bowl design shines widely even illumination fast recycling time perfect color temperature. It is small to carrying. There is no hole for inserting umbrella on the base. It can connect with reflective / soft umbrella easily. Plus using reflector board snoot honeycomb cover soft box etc during the shooting make the source changeable so you can do what you want. It’s the ideal source for you to become innovative photographers.