Zeniko ZT330 Flash Speedlite for Nikon Canon Sony Pentax Sigma Minolta Leica and Other SLR Digital SLR Film SLR Cameras and Digital Cameras with single-contact Hot Shoe This ZT330 ThinkLite Speedlite Flash is compatible with any camera with the standard hot shoe such as Canon, Nikon, Pentax Recycle Time: Approx 0.1-5s (AA alkaline batteries used);//Light Quantity Output Control: with 1/8 - stop increment; Guide Number: 33 (ISO 100);//Lighting Times: 100-1500 times (AA alkaline batteries used) ; Including:1x ZT330 GN33 Speedlite Flash 1x Mini Stand 1x Pouch 1x User Manual; 1x Original Manufactory Package;