Vivitar SF-4000 Auto Bounce Zoom Slave Flash with Bracket + EN-EL20 Battery + AA Batteries & Charger Kit for Nikon 1 J1, J2, J3, S1, V3 Cameras Specifications: Multi-Angle Bounce Flash Head Compatibility: Compatible with most Canon Nikon Olympus Pentax and other brand cameras with a hot shoe ** NOT compatible with Sony & Minolta cameras ** Weight: 1.63 Parts: 1 year Labor: 1 year