433MHz Wireless Triggering:The TT520III comes equipped with an integrated 433MHz receiver. When used with the standard RT transmitter, it offers 16-channel wireless triggering—ensuring effortless and reliable flash synchronization Easy & Precise Power Control:In Manual (M) mode, the TT520III provides 8 power settings adjustable from 1/128 to full power in ±1/3-stop increments, allowing for exquisite control over light and shadow. The all-new display makes it easy to view and adjust settings, enhancing operational efficiency Bright Output & Quick Recycle:The TT520III boasts a Guide Number of 33(ISO 100, in meters). It delivers up to 400 full-power flashes on NiMH batteries with a recycle time of about 1.8 seconds. The flash duration spans from 1/510 to 1/31000 seconds, ensuring crisp, well-captured images Flexible Flash Modes:The TT520III offers multiple flash triggering options to suit your shooting needs. Use it as an on-camera flash, trigger it with the RT transmitter, or take advantage of S1/S2 optical sync. Additionally, it features a PC sync port for wired control Adjustable Flash Head:With a rotatable flash head that adjusts horizontally from 0° to 330° and vertically from –7° to 120°, the TT520III empowers you to experiment with direct flash and bounce techniques, adding a dynamic edge to your photography Universal Hotshoe Design:Featuring a single contact hotshoe design, the TT520III is widely compatible with Canon, Sony, Nikon, Fujifilm, Panasonic, Olympus, and other cameras—ensuring a seamless fit across your gear Easy Battery Swap:The flash’s internal battery compartment accepts 4 AA NiMH batteries, allowing for quick and hassle-free battery changes whenever needed Integrated Reflector & Diffuser:Enhance portraiture with the built-in reflector that creates stunning catchlights for rich facial expression. The wide-angle diffuser expands the light spread, delivering a softer, more natural illumination Versatile Accessories:When paired with optional S-R1/S-R2 round head adapters, the TT520III works seamlessly with Godox AK-R1 magnetic accessories. Plus, the optional S/S2 flash bracket lets you attach a range of Bowens-mount modifiers—softboxes, reflectors, snoots, and more—to unlock endless creative lighting effects Fast-Charge External Power:Equipped with a quick-charge port, the TT520III can be connected to the optional PB960 power box (sold separately) to shorten recycle times and increase flash counts Tech Specs
Camera Flash
Model: TT520III
GN: Approx. 33 (ISO 100, in meters)
Photocell: S1/S2
Vertically Rotatable Flash Angle: -7°~120°
Horizontally Rotatable Flash Angle: 0°~330°
Battery: Four AA NIMH batteries (recommended)/LR6 alkaline batteries
Flash Duration (t0.1): 1/510s~1/31000s
Time of Flashes (1/1 step): Approx. 400 ( NIMH batteries)
Recycle Time (1/1 step): Approx. 1.8s( NIMH batteries)
Channel: 16 groups
Wireless Frequency: 433MHz
Wireless Transmission Distance (Max.): Approx. 15m
Dimension: 7.17"×2.91"×2.83"
Net Weight: Approx. 304g

RT Transmitter
Model: RT-16
Power Source: 23A(12V )Li-ion battery
Wireless Transmission Distance (Max.): Approx. 20m(indoor)/Approx. 30m (outdoor)
Wireless Frequency: 433MHz
Dimension: 2.36"×1.65"×1.18"
Net Weight: Approx. 31g

Package Including:
Camera Flash ×1
RT Transmitter ×1
Mini Stand ×1
Storage Bag ×1
HolaFoto Cleaning Cloth ×1