Vello FreeWave Fusion Pro Wireless Flash Receiver/Remote Control for Nikon DSLRs 2.4GHz Reduced Interference Frequency | Range Up to 600' | Up to 3 Light Groups 7 Group Combinations | Individual/Group Wireless Flash Trigger | TTL Pass Through Flash Sync Speed of Up to 1/200 Sec. | Dual-Function Shutter Release Button | LED Indicators Whats In The Box: Studio Trigger Cable (2.5mm Sub-Mini to 3.5mm Mini), Studio Trigger Adapter (3.5mm Mini to 1/4" Phono), 2AAA Batteries, User Manual, Limited 1-Year Warranty