Features:GN 58, 180mm, ISO 100, supports multiple flash modes: TTL/ M/ MULT/ S1 / S2 / Master/ Slave. Highly sensitive sensor supports far wireless triggering distance.Multi-contact hot shoe. With high-speed synchronization function, it supports 1/8000s trigger on camera and off camera. In high speed sync mode, using aperture priority for filling light for the shot subject, make your shooting more comfortable.2.4G wireless master control and slave, there is no directionality, and it can be used to trigger and flash off the machine.Suitable for Canon camera wireless flash system, realize machine TTL, manual and frequency flash. 0.1-3s recycle time, supports high speed continuous shooting.The rotatable LCD screen is clear for displaying multiple readings, the buttons and knob can help you to adjust various settings quickly and easily.Using strobe, a series of flashes can be used to move multiple images of an object over a photograph.Specification:Model: TR-982III/CProduct Name: FlashMaterial: PlasticColor: BlackFlash Index: GN58 (180mm, ISO100)TTL Mode: Compatible for Canon E-TTLFlash Mode: TTL/ M/ MULT/ S1 / S2 / MASTER/ SLAVEZoom Mode: Auto zoom, manual zoomSynchronization Mode: Front curtain synchronization, rear curtain synchronization, high-speed synchronizationFrequency Flash: Supports 1-199HzFlash Time: 1/200s-1/20000sColor Temperature: 5600 K + 100 KCall Back Time: 0.1-3s (power output 1/128-1/1)Wireless Flash: Built-in 2.4G, MASTER mode, SLAVE mode, S1, S2Manual Flash: 8-level light control (1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128)Flash Times: About 150-1500 times (different according to the battery, flash output 1/1-1/128, using 2800mAh battery)Adjustable Angle: Tilting angle: -7-90; Panning angle: 0-360Focal Length Range: 18-180Power Supply: 4 x AA alkaline batteries (Batteries not included)Size: Approx. 8x6x20 cm/ 3.15x2.36x7.87 inchPacking List:1 x Flash Light1 x Protective Bag1 x Mini Stand1 x User Manual1 x Soft Diffuser