Brand New Godox QS 800II with build in 2.4gHz receiver which is compatible with the Godox versatile X series triggers.

Maximum Watt/Seconds 800 Ws
Guide Number 295' (90 m) ISO 100
Color Temperature 5600K (+/-200K)
Recycle Time 0.3 - 1.5 sec
Flash Duration 1/800 to 1/2000 sec
Flash Variability 6 Stops: 1/32-1/1 (5.0-10) (50 steps in 0.1 increments)
Modeling Light 150 W
3 Modes: Off, Proportional, Percent (5-100%)
Changeable Reflector Yes
Fuse 8 A
Flash Ready Indicator Buzz sound
Operating Voltage 100 - 120 VAC, 60 Hz
Triggering Sync cord, test button, slave triggering, wireless control port for optional radio system
Wireless Control Built-in Godox 2.4 GHz X System, 32 channels with 16 groups
Optional Wireless TTL X1 transmitter
Power remote controls XT16 or FT16
Fan Cooled No
Dimensions Diameter: 5.5" (14 cm)
Height with Handle: 10.23" (26 cm)
Length with Lamp Cover: 20.1" (51.15 cm)
Weight 8.6 lb (3.9 kg)