NOTE: *When you're are using the app, make sure you open the Bluetooth to connect the light. *For multiple lights control (6 Groups 19 Channels), all lights must be the same groups and channels.Built-in RGB / Bi-color / 17 Special Scenes Mode Can be used in RGB color mode 0-360, 0%~100% dimmale settings, bi-color mode of 2500k-( warm) - 8500k( cool ) and 17 specialeffects for creative photo & video, like flash/ alarm/ movie/ rainbow/ party atmosphere/ fairytale, etc, which makes this ring light very adaptable to a variety of situations.CRI>95 Makes for great skin tones on subjects. Unique circle shape design creates charming ringlets in your eyes when making selfies.APP Control System & Manual Control Quick install of the weeylite app to control the ring light at a distance for easy picture taking, you can also adjust the mode manuallywith the control knobs on the back.2 Power Supply Ways DC power with 3 types plug (INCLUDED) for indoor use or Li-lion Battery (sold separately) on outdoor shoots.INCLUDED Light Stand/ Phone Holder/ Carry Bag Aluminum Alloy Light Stand is well made and sturdy, multiple angles, heights can be adjusted. Cell Phone Holder for vertical and horizontal shots help get different shooting angles you want.Easy to carry with a storage bag with the kit when shooting anywhere.Specification: Power (max.): 30W Lamp beads: 352pcs ( 128 in white light + 128 in warm light + 96pcs in warm light) Color Saturation Range: 0-360° Max. Brightness: 1650Lux/0.5m (5500k, 100% full) Power Source: DC power supply ( AC100-240V~50/60Hz, DC18V/2A , ? 5.5-2.5mm) OR Li-ion Battery NP- F550 / F570 / F960 / F970 series. (Battery NOT Included) Dimension: 552*450*54mm (Inside/ Outside diameter: 300mm/ 450mm ) Weight: approx 1.28kg (exclude batteries)