The lightweight and portable Simple Flash from Reflx Lab is a shoe-mountable flash unit well-suited for digital and film cameras, especially those without a hot shoe. The unit has a PC sync port and comes with a sync cable, making the flash compatible with any digital or film camera that also has a PC sync port. Featuring two brightness settings, the flash has a guide number of 33' at its brightest. The unit takes two AAA batteries, available separately, and is rated for 500 flashes before replacement. Also included are a diffuser and three color filters for increased control over the amount and quality of the light output.