Specification :
1.Circuit Design : Insulated gate bipolar transistor(IGBT) control
2.Flash Model : Auto model (you can select use remote control),Manual model ,Multi model ,LED model ,Slave model ,Wireless remote control model (use remote control or not ),optical model(S1,S2)
3.Wireless flash: Distance:20-30 meters indoor ,10-15 meters outdoor ,2.4G : 50 meters
4.Support slave unit : Communication channels : 3 groups slave unit , 2.4G : 16 communication channels and 3 groups slave unit
5.LED color temperature :5600+-200K
6.Flash tube color temperature :5600+-200K
7.Duration flash time : 1/200s-1/20000s
8.Call back time :0.1/5s
9.Lithium battery :14.8V
10.Support external power :DC :18V/15A
11.Power : F3-500:500W ,F3-400: 400W
12.Extra power : PC sync jack ,overheating protection ,over-voltage protection
13.Net weight : 3.2KGS