Specifications xff1a;Color: BlackMaterial: Plastic---FlashGuide Number: 33 ( ISO 64;100 )Flash Mode: M, S1, S2Vertical Rotation Angle: 0~90 degreesHorizontal Rotation Angle: 0~270 degreesPower: 4 * AA size batteries ( Alkaline or Ni-MH are usable ) (Not included)Lighting Times: 100-1500 times ( AA alkaline batteries used )(Not included)Recycle Time: approx 0.5-5s ( AA alkaline batteries used )(Not included)Light Quantity Output Control: with 1/8 - stop incrementColor Temperature: 5600K 43;200KFlash Duration: 1/300s~1/20000sItem Size: Approx. 19 * 7.7 * 5.5cm / 7.5 * 3.0 * 2.0inItem Weight: 306g / 10.8oz---Trigger TransmitterBattery Supply: 12V 23A battery (not included)Trigger Mode: Wireless controlWorking Distance: 15m (indoor)Note xff1a;Batteries are not included.Package List xff1a;1 * TT520 Flash Speedlite (without battery)1 * Trigger Transmitter When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!