This Yongnuo YN-460-II speedlight flash is designed for Nikon, Canon and Pentax Cameras. Small and light weight, the flash provides a versatile electronic flash unit for general photography. SPECIFICATIONSGuide number: 38m(at 35mm focal length, ISO 100 in meters) 53m(at 35mm focal length, ISO 200 in meters)Flash mode: M,S1,S2Flash power control: Level 46 light quantity output control with 1/7-stop incrementCircuit design: IGBTVertical rotation angle: -7-90 degreeHorizontal rotation angle: 0-270 degreePower Source: 4 X AA size batteries (Alkaline or Ni-MH)Battery Life: 100 - 1500 times (with alkaline batteries)Recycle Time: approx 4 sec (with alkaline batteries)Color Temperature: 5600KFlash Duration: 1/800S - 1/20000SPower Saving: In radio flash mode (S1 or S2), if the flash is idle for 30min, it will power off automatically in order to save power Dimensions: 72X135X85mmCompatible with the following cameras:Nikon, Canon, PentaxPackage Includes: 1 YN460-II (for SONY) Flash Unit1 Protector Bag1 English manualNote: This YN460-II can NOT work in TTL mode.