How much does this cost to the nearest dollar?

Westcott FJ400 Strobe 400Ws with AC/DC Battery 400Ws TTL HSS AC/DC Powered 480+ Full Power Flashes (US/CA Plug)
REVOLUTIONARY ACCURACY & COMPATIBILITY 400Ws Flash, AC/DC battery, second recycle time, 480+ full-power flashes per charge, 2.4G with optional Westcott FJ-X2m Universal Wireless Trigger or Westcott FJ80 Speedlight TTL, HSS, FREEZE SYNC, & MORE Manual & TTL Modes, High-Speed Sync to Freeze Sync to Continuous Capture to 20fps, Mask Function, Auto Memory Recall, Rear Curtain Sync, 6 Groups, 16 Wireless Channels, Group Exposure Compensation UNRIVALED PERFORMANCE & STABILITY Removable AC

Price is $600.00

Price: $599.9