1. Attach white and yellow filters with magnet and put spared one on the back battery compartment. 2. Include indepent power switch and keep the same brightness out when switch it on again. 3. Easy to take in pocket and light for phone photography or DSLR camera photography. 4. Alaways used in wedding recording 5. Powered by BP-4L battery or 4 AA battery (battery not included) 6. Can also mount on lamp stand with 1/4" screw 7. 112 LED Beams Friendly Tips: 1 USB port only for charging Don't power the light directly with USB cable, or it will affect the service life of the light And If you'd liketo use USB , you need put the compatible BP-4L litithum battery in the light first ( can't support AA rechargeable batteries). 2 Can work with Sony camera, but you may need to buy the mini hot shoe first separately. 1* 112 LED Video Light 1* Yellow Filter 1* White Filter 1* Protect Bag