The R-4 features four (4), daylight-balanced Power LEDs that deliver up to 700 lx of illumination. This unit is dimmable from 20-100%.

This light also features a unique barn door system. The barn door system is composed of two (2) barn doors that act as flags to shape your light and of two (2) swing-away filters, one (1) tungsten filter and one (1) diffusion filter. Whether shooting indoors, outdoors, or in tight quarters, the R-4 offers solutions for adjusting the quality of your light as needed.

This light has a standard cold shoe mount that has an integrated 1/4"-20 female thread. The addition of the 1/4"-20 female thread allows for the attachment of mounting accessories such as a Baby Pin, Spigot, or Hand Grip.

The R-4 comes with a built-in Sony NP-F battery plate. 

Specifications:

• Bulb: Power LED
• Light Beam Angle: 60 degrees
• Illuminance: 700 lx
• Power Variation: Stepless 20-100%
• Color Rending Index (Ra): 80%
• Correlated Color Temperature (CCT): 5600K (3200K w/ Tungsten Filter)
• Power Sources: Sony NP-F Battery
• Operating Voltage: 5.8-8.4V
• Battery Life: 70mins with Sony NP-F550
• Mounting: Standard Cold Shoe w/ integrated 1/4"-20 female thread
• Nominal Weight: 14 oz / 397 g (w/ barn door system)
• Nominal Dimensions: 12.3 x 12 x 6.2 (cm)