Spec:
Built-in diffuser for soft, flattering light, then wirelessly sync up to other lights or triggers with the integrated 2.4 GHz system. With a 1.5-second recycle time and up to 560 full-power​ flashes per charge, you can take photos from dawn till dusk without pause. The battery supports USB-C​​ fast charging, so you can easily top up between photography- ready for the next photo in no time.

Model: iT30Pro F
Flash Index (1/1): GN15 (Approx. 15m / 49.21ft)
Flash Duration (t0.1): 1/1000s - 1/30000s
Exposure Control System: E-TTL​ II, Auto Flash, Manual Flash
Flash Exposure Compensation (FEC): Adjust in ±3 stops, ±1/3 stop increment
Sync Modes: High-speed Sync (Maximum 1/8000s, up to 1/80000s on cameras), 1st Curtain Sync, 2nd Curtain Sync
Stroboscopic Flash: Up to 100 flashes at 100Hz
Wireless Flash: 2.4G wireless transmission
Wireless Function: Master unit / Slave unit
Master Unit Groups: M, A, B, C
Slave Unit Groups: A, B, C, D
Transmission Range (Approx.): 100m
Channels: 32 groups: 01-32
ID: OFF/01-99
Recycle Time (1/1): Approx. 1.5s
Flash Count (1/1): Approx. 560 times
Power Saving: Standby / Auto power off
Sync Trigger: Hot shoe, 2.5mm sync line
Battery: 900mAh (built-in)
Item Size: 65x47x46mm/2.56x1.85x1.81in

packing list:
1 x Flashlight
1 x Storage Bag
1 x Instruction Manual
1 x Charging Cable