Compatible with Canon E-TTL / E-TTL IIDual Flash Head DesignGuide Number: 85′ at ISO 100 (One Head)Coverage: 90° Vertical & HorizontalLED Autofocus Assist LightRatio Mode; 1st & 2nd Curtain SyncRecycle Time: 3 Seconds at Full PowerPC Sync and HV Power PortsRuns on Four AA Batteries52mm, 58mm, 67mm, and 72mm Adapter
