The sevenoak sk-pl30 for dslrs, smartphones and action cams is a handy mini led light, which can be easily attached on the hotshoe of your camera. you can set the light at three different settings with the brightness adjustment button. the lamp can be charged with the included charging cable which is suitable for a usb port. the lamp has 30 leds, 15 leds with 5500k and 15 leds with 3200k. depending on the brightness setting the lamp will last for about 1.5 to 5 hours. Usage sevenoak sk-pl30 You can combine the sevenoak sk-pl30 with a dslr camera, action cam or smartphone. for example when you quickly want to add a bit of light. the cold-shoe adapter allows you to put the led light on a holder. the button on the side of the led light gives you the opportunity to set the intensity of the light to three different settings. if you want to use the sk-pl30 light with your smartphone you will need the sevenoak sk-psc1. furthermore the light has a ¼* female screw thread.