This flash speedlight YN-460 is designed for all Cameras except Minolta It has 7 difference manual flash power levels This flash speedlight YN-460 can NOT work on TTL ModeItem Specification Guide number: 33 Circuit design: IGBT Up/down ward angle: 0-90 degree Left/right angle: 0-270 degree Power Source: 4 X AA size batteries (Alkaline or Ni-MH are usable) Battery Life: 100 - 1500 times (with alkaline batteries) Recycle Time: 5 sec(with alkaline batteries) Color Temperature: 5600K Flash Duration: 1/800S - 1/20000S Flash adjustment: 7 difference flash power level ( 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 ) Power Saving: Stand by mode, 30mins to power off mode. 60mins to power off when using the optic mode Dimensions: 2.8X5.3X3.3"Compatible Model Work with Hot Shoe Cameras Wireless Remote Trigger Studio Wireless Hot Shoe Flash Remote Slave Trigger Sensor Work with flash units using universal hot shoe like Canon, Nikon, Sigma, Olympus, Pentax (except Minolta as they use a special hot shoe).Caution: To avoid fire or electrical shock, do not expose this product to rain or moisture Do not flash at high level output continuously for over 15 times To avoid short circuit, be sure the batteries contacts are securely packed and in accordance with local provision when handling the batteries To avoid possible injury to eyes, do not use the flash light in a short distance from the eyes Please place the batteries and the parts which can be swallowed mistakenly away from kids. Contact a doctor immediately when it occurs.