Interfit S1 500Ws TTL Battery-Powered 2-Monolight Backpack Kit
in excellent condition, as good as new.
Used only twice for indoor shoot. Nikon Remote Included.

Flash Head

Maximum Power 500 Ws
Power Control 9 Stops in 1/10-Stop Increments
Guide Number 160' / 48.7 m at 9.8' / 3 m, ISO100
Flash Duration 1/11,000 to 1/500 Sec
Recycle Time 3 Sec (Full Power)
Color Temperature 5700K ± 100K
Accessory Fitting Type Bowens S Type


Modeling Light

Type LED
Wattage 10 W
Control Modes Full On, Off
Sync
Sync Type Cable, Infrared, Optical, Radio
Built-In Wireless Receiver Yes
Sync Speed 1/1/250 Sec (Normal)
1/1/8000 Sec (High-Speed)
Wireless Frequency Bands 2.4 GHz
Wireless Range 328' / 100 m (Radio)

Power

AC Input Power 100 to 240 VAC, 50 / 60 Hz
Battery
Battery Chemistry Lithium-Ion
Capacity (mAh) 4500 mAh
Flashes Per Charge 350 Flashes (Full Power)
Recharge Time 3 Hours

General

Display None
Auto Dump Yes
Fan Cooled Yes
Dimensions ø: 5.1 x L: 13.4" / ø: 13.0 x L: 34.0 cm, Including Handle
Weight 6.3 lb / 2.85 kg, Including Battery