Generic Meike MK-310 iTTL 1/8000 High Speed Sync Speedlite for Nikon F D3300 D5300 D610 D7100 D4s D5200 D600 D3200 normally ,the shipping time is about 8~15 working days to USA.Please note:If you receive a message indicates that you will receive item(s) longer than 8~15 working days.please don't worry,it is inaccurate. When run into the busy season, Customs thorough investigation, worsening climate etc,the shipping might be delayed.But please don't worry,don't hesitate to contact with me,i will do my best to help you.