Kaavie - Travor SL-582N Large 2.2'' LCD display i-TTL Autofocus Master Speedlite Flash for Nikon DSLR Digital Camera - GN58 @ ISO100, 105mm, support i-TTL, M, Multi mode, Fast recyle Max speed approx 1s, C.F m: set the custom function, 2.5mm Pc Port, Control the flashs with a camera picture menu, Metal Hot Shoe Port etc - Top gun fully compared to Nikon SB900 Fit Devices: Nikon. Built with self-designed chip to succeed super speed of charging recycle,approx 1s. With high Guide No.: 58(ISO100,105mm), support M and Multi Mode. The Master mode is provided iTTL for SL-582N speedlite to control Nikon Speedlite, SL-575N and SL-578N Speedlite, in 4 channels, 3 groups/Ratios (A, B and C) SL-575N/SL-578N speedlite under the Slave mode, flash signal can be received from Nikon Speedlite and SL-582N(TTL & Wireless), SL-578N Speedlite. Flash signal from all brand of speedlites can be received by SL-575N/578N speedlite under S1 Mode. SL-575N/578N speedlite under the S2 mode , Flash signal can be received from Nikon Speedlite working at TTL mode. Ultrasonic motor inside,support manual focus. Ergonomics design with sound prompts. Equiped with 2.5mm pc port, 2.2inch Backlit LCD Display, metal hot shoe port and DC plug. ISO:100. Guide No.:58. C.F m: set the custom function, The second shade shutter synchronized, Flash Exposure Compensation Control the flashs with a camera picture menu, The second shade shutter synchronized, Vertical rotation angle:0-90 degree. Horizontal rotation angle:0-270 degree. Power supply :4*AA batteries or AA NI-MH/Li-ion. Battery Life(approx. Flash Count): 100-700 flashes(with Size AA-alkaline batteries). Lighting times:100~700 times. Recycle time :approx 1s. Color temperature: 5600K.