Godox Tt 600 Speed Light.

Godox TT600, a popular manual camera flash known as a "workhorse" for its balance of power and affordability. Unlike more expensive models, it is a full manual flash, meaning it does not support TTL (automatic exposure) but offers precise control for photographers who prefer setting their own power levels. Strobist Strobist +2 Key Performance Specs Guide Number: GN60 (m ISO 100 at 200mm), providing enough power to illuminate most subjects even at a distance. Recycle Time: Very fast, ranging from 0.1 to 2.6 seconds, depending on the batteries used. Power Range: Adjustable from 1/1 (full power) to 1/128 in 1/3 EV increments. Flash Duration: 1/300 to 1/20000 second