Caltar Ultra High Powered Super Bright 40w 5600k 680 LED Video Studio Light Panel for Digital SLR Camera Camcorder Camera & Photo Caltar PH-680S has 680 LEDs, the ultimate LED video light that gives you spot lighting. It features strong and steady light, manual brightness control. Suitable for indoor or outdoor use. Use FST PH-680S to get the same professional lighting seen on TV and Hollywood. Except fixed on a tripod, you can also arrange the lighting in your hand which is more flexible. Two color filters are provided the white one is 5600K color temperature, and the orange one is 3200K. PT-680S with double battery slot design can be installed with two rechargeable batteries at the same time (Batteries are not included in this product)to provide enough time for outdoor shooting. LED digital display provides accurate brightness output. The button is with optical sensing technology. Just put your finger on the button for a second, then it can be adjusted quickly.