Yongnuo YN720 Flash Speedlite with Built in Lithium 2000mAh battery for Canon Nikon Pentax, Compatible with YN685 YN560 IV YN560-TX RF605 RF603

Features:

• Super-powerful Portable Lithium Battery System
• Battery built-in Protective Circuit
• Ultra-fast Charging Recycle System
• Supports USB Firmware Upgrade
• Compatible With YONGNUO 602/603 Wireless Trigger System
• Supports Radio Transmission Master Control,Realizes 6-group Flash Control Function Easily
• Supports Radio Transmission Slave Function
• Supports Real-time Display of Battery Remaining Capacity,Supports  Power Saving Function
• Supports Lamp Head Electric Zoom Function.
• Supports manual zoom, you can set flash coverage in the range of 20~200MM