Profoto 100993 Umbrella Diffuser EXL 1.5 Stops LED Lighting It comes with a locking

It comes with a locking clamp that allows for easy and secure mounting

Device run time examples when paired with a 190 watt hour V-Mount battery such as the Savage Power Lithium Ion Battery:

attach safely and easily onto any Profoto Off-Camera (OCF) flash

the Profoto Softbox Strip provides complete creative freedom for photographers seeking precise control over their lighting setups

Simply attach the Edge Mask to your Softbox using the Velcro attachment and let the completely dark area in the center create a beautiful contour light around your subject as well as an intriguing catch light

Profoto 100993 Umbrella Diffuser EXL 1.5 Stops LED Lighting It comes with a lockingThe Profoto Umbrella Diffuser (XL) is a simple accessory that is pulled over the front of a white or silver umbrella to turn it into a huge softbox, thereby creating a softer and more diffused light. Compatible with the Umbrella Deep White XL and the Umbrella Deep Silver XL, this diffuser reduces the output by 1. 5 stops.