Features: GN50 @ISO 100: Andoer new large guide number manual speedlite, supporting M modes. High sensitivity wireless triggering sensor makes S mode can be used in outdoor environment and the wireless triggering distance is about 100m. Supports sound prompt function, different sounds indicate working situations and help you focus on shooting (Note: the sound can be closed). With PC port, you can make the flash synchronously by connecting to the PC port. Super speed of charging recycle: it only takes 3 seconds in charging after full power output. Even without new batteries, you can get the supercharging speed that it only needs 4~5 seconds. High-speed continuous shooting: Under the output level of 1/8 or below, it can support the 8FPS high-speed continuous shooting. Automatic setting saving: Andoer AD560 IV speedlite can automatically save your current setting. Specifications: Brand: Andoer Model: AD-560 IV Circuit Design: Insulated Gate Bipolar Transistor (IGBT) Guide No.: 50 (ISO 100) Mode: M flash mode, S flash mode, Wireless Mode Vertical Rotation Angle: -7~90 degrees Horizontal Rotation Angle: 0~270 degrees Power Supply: 4 * AA batteries (not included) Lighting Times: 100~1500 times(@ AA alkaline cell used) Recycle Time: approx. 3s(@ AA alkaline cell used) Color Temperature: 5600k Flash Time: 1/200s~1/20000s Flash Control: 8 levels of output control (1/128~1/1), 29 levels of fine tuning External Interface: hot shoe, PC port Wireless Triggering Distance: about 100m Item Weight(without battery): 320g / 11.3oz Package Size: 26 * 10.5 * 8.5cm / 10.2 * 4.1 * 3.3in Package Weight: 500g / 1.1lb Note: Batteries are not included. This speedlite is a slave unit, and it cannot be used as a master unit to trigger other speedlite. The speedlite is not compatible with CANON 1500D,3000D,200D II, 2000D, 4000D, Rebel T7, Rebel, KISS X90. Package List: 1 * Speedlite 1 * Protecting bag 1 * Mini stand 1 * User manual(English)