Powerextra speedlite with a guide number of 33 (ISO 100/1m), Support manual mode, S1 and S2 wireless flash trigger modes, Single-contact hot shoe.

The Powerextra Professional DF-400 Speedlite delivers reliable off-camera flash performance without the premium price tag. With a guide number of 33 at ISO 100, this versatile flash unit works with virtually any DSLR or digital camera that has a single-contact hot shoe—from Canon and Nikon to Fujifilm, Olympus, and beyond.

What sets this speedlite apart is its practical feature set. You get 8 levels of manual power control, indicated by LED lamps so you always know your output setting. The head rotates 90 degrees vertically and 270 degrees horizontally, giving you the flexibility to bounce light off ceilings and walls for softer, more natural-looking photos. Recycle time clocks in at approximately 3 seconds, and the unit runs on standard AA batteries—no proprietary power packs required. The built-in PC sync port lets you trigger the flash remotely, while S1 and S2 wireless modes enable multi-flash setups without additional triggers.

Who Is This For?

This flash is ideal for photographers who need reliable manual flash control across multiple camera systems. If you shoot with different brands or want a backup flash that won’t break the bank, the DF-400 delivers. It’s particularly useful for event photographers, portrait shooters working with off-camera lighting, and anyone building a multi-flash setup on a budget. The power-saving auto-shutdown and settings memory mean you won’t waste batteries or lose your configurations between shoots.

Bottom Line

The Powerextra DF-400 offers solid manual flash performance with multi-brand compatibility at an accessible price point. While it lacks TTL metering and high-speed sync found in premium speedlites, it covers the essentials well: adjustable power output, wireless triggering, rotating head, and fast recycle times. For photographers who understand manual flash exposure and want a dependable unit that works across camera systems, this speedlite delivers genuine value.

  • Powerextra speedlite with a guide number of 33 (ISO 100/1m), Support manual mode, S1 and S2 wireless flash trigger modes, Single-contact hot shoe.
  • Approximate 3.0 seconds flash recycle time, Power saving automatic shutdown function, automatic save function. For a test flash, Press the test button to fire a test flash with the current mode settings.
  • The flash has 8 level of power output control which indicated by 8 pieces of LED lamp for different level. Powered by 4 pcs AA-size battery backup, provides PC port, you can make the flash synchronous by connecting to the PC port.
  • Head Rotation: Vertical Rotation Angle: 0~90 Degrees, Horizontal Rotation Angle: 0~270 Degrees.
  • Package included: Powerextra DF-400 speedlite 1, Protective bag 1, Mini Stand 1, Instruction manual 1