Specifications :
Brand : Viltrox
Model : VL-D640T
Plug Type(100-240V) : US plug
Color Temperature : 3300K~5600K (can be adjusted)
Brightness Range : 20%~100% (adjustable)
Max. Brightness : 4800LM (4400K, 100% full)
Max. illumination : 4100Lux/ 1m (4400K, 100% full)
Lamp Beads : 640pcs (3300K+5600K)
Max. Power : 45W
Continue Light Time : Approx. 1.5 hours (100% full, NP-F960, 4800mAh)
Group : 6 groups (A/ B/ C/ D/ E/ F)
Channel : 1~19
Color Rendering Index : ≥95 (RA)
DC Adapter Interface: DC 18V/3.5A, φ5.5-2.5mm
Compatible Lithium Battery : Li-battery NP-F550 / F570 / F960 / F970 series (not included)
Video Light Size: 28.6 x 19 x 3.2cm 
Video Light Weight: Approx. 620g 
-----------------------------------------------
---VL-500RT Remote Controller
Frequency: FSK 2.4GHz wireless remote system
Control Distance (in open air): 20 meters
Wireless Remote Group: Single group (A B C D E F), Full group (ABCDEF)
Channel: 19
Stand-by Time: 2.5 minutes without operation, it will off automatic
Environment Temperature: -10~50℃
Power : R03 Size AAA 1.5V battery (not included)
-----------------------------------------------
Package Size: 32 x2 4.9 x 13.1cm
Package Weight : 1896g 

Package List :
1 * VL-D640T Video Light
1 * White Filter Plate
1 * Lamp Bracket
1 * Remote Controller
1 * Power Adapter
1 * Nylon Carrying Bag
1 * User Manual (English & Chinese)

Note:
Batteries are not included.