ADVANCED WIRELESS FUNCTIONS: Incorporated 2.4GHz makes it easy to shoot with advanced wireless multiple flash lighting, in the same way as TTL auto-flash shooting. Multi-angle and multi-directional photography setups are simple, since flash units don’t need visual proximity to one another, and transmission distance extends up to 98.4 ft. | COMPACT, LIGHTWEIGHT WITH PROFESSIONAL PERFORMANCE: Same professional power in a 30% lighter package. Includes One Altura Photo AP-305S Speedlite Flash for Sony + Mini Stand + Protective Pouch. | FLEXIBLE MODES: TTL, Manual (M), and Multi (Stroboscopic) modes offer the versatility to achieve a correct flash exposure even in complex light-changing environments. | WIDE RANGE FLASH COVERAGE: The AP-305S Speedlite has a guide number of 36m/118 ft. at ISO 100 to help achieve the lighting you desire. Great for DSLR, Mirrorless and Off Camera Photography. Compatible with all Sony cameras, including; A7, A7II, A7III, A7R, A7RII, A7RIII, A7RIV, A7S, A7SII, A9, A68, A77II, A99II, A6600, A6500, A6400, A6300, A6100, A6000, A5100, A5000, A3500, NEX-3, NEX-5, NEX-6, NEX-7, RX100 I-IV. | PREMIUM CUSTOMER SERVICE: Backed with DIGITAL GOJA 90-Day 100% Satisfaction Guarantee.