Voking VK430 I TTL Speedlite LCD Display Shoe Mount Flash for Nikon D3400 D3300 D3200 D5600 D850 D750 D7200 D5300 D5500 D500 D7100 D3100 and Other Digital DSLR Cameras with Standard Stand

Amazon.com Price: $49.99 (as of 10/12/2019 11:41 PST- Details) & FREE Shipping.

High Guide Number(GN) :42. With wireless trigger sensor.
Compatible with I-TTL auto-balanced fill flash. Optical slave mode supports multiple Speedlite to work together.
Front and rear curtain sync.