Neewer NW320 TTL LCD Display LED-Assistive Preview Focus flash Speedlite Kit for Sony A7/A7R/A7S/A7 II/A6000/NEX6, includes (1) NW320 flash for Sony + (1) IR Wireless Shutter Release Powerful TTL LCD Flash with High Guide No.32(ISO 100, 105mm) Flash Mode: TTL/M/MULTI/S1/S2 With this remote you can shoot images using the shutter release option or with a two second shutter release option Powered by a CR-2025 3V lithium battery (included), the wireless control has an operating range up to 32 ft/10m Kit includes:(1)NW320 for Sony + (1)IR Wireless Shutter Release