Hahnel Modus 600RT MK II Speedlight - SonyThe Hahnel Modus 600RT MK II Wireless Speedlight for Sony DSLRs includes: Modus 600RT MK II Speedlight, 1x HLX MD1 Extreme Battery, USB powered MD1 Ultra compact Charger and a USB cable. This wireless speedlight kit features a fast recycle time of 1. 5sec, up to 600 shots at full power, up to 1000 shots at 1 2 power, wireless connectivity, a built in 2. 4GHz wireless receiver and transmitter, and compatibility with many other speedlight brands through