the Pro SD650B Bi-Color LED Monolight from GVM is a sturdy aluminum-constructed monolight suitable to light up most scenarios. This powerful 650W light delivers improved performance with a bi-color punch of 2700 to 6800K. Compact yet robust, the Pro SD650B ensures natural and faithful colors and provides intuitive onboard and remote control. The fixture can be powered worldwide with the included power supply, but it can also run on two separately available V-mount batteries. Consistent Brightness and Color Accuracy The light has an innovative algorithm that maintains consistent brightness for all color temperatures with smooth dimming from 0 to 100%. Users can accurately adjust the brightness by 0.1% so they can get exactly the right brightness level for what they want. Besides that, a high CRI/TLCI of 97 ensures advanced proficiency in color reproduction. Active Cooling The Pro SD series is equipped with built-in fans that deliver efficient heat dissipation with three modes, including smart, high, and silent. Features: Outstanding color CRI 97+ Step-less adjustable Stepless dimming Each side Power of 650w Scene lights Silent fan Smart connectivity GVM Control APP Compatible products Bowens Mount Spesification: -Power; 650w -Color rendering index: >= 97 -Color temperature: 2700K-6800K -Brightness: 19000lux/1.64' (0.5m) 6000lux/3.28' (1m) -Power supplyAC input/V-mount -Voltage: AC100V-240V -Material: Aluminum alloy -Heat dissipation: Heat sink + fan Packing Include: 1x GVM Pro SD650B Bi-Color LED Monolight (650W) 1x Reflector 1x Controller Box 1x AC Power Cable 1x Control Connecting Cable 1x Controller Locking Clip 1x Protective Cover 4x Magic Cable Tie 1x Carry Case