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My digital camera has a built-in flash. Why do I need another? br>Built-in flashes are only effective to 8-10ft or less. This high power flash greatly extends the range!
The built in flash units of digital cameras are on average effective to only about 8-10 feet, and that's when your lens is at its widest-angle setting ...
Circuit Design: Insulated gate bipolar transistor (IGBT)
Guide Number: 58 (ISO 100, 180mm)
Flash Coverrage: 18-180mm
Manual, Automatie Zoom
Swinging/Tilting flash head(bounce flash)
Flash Mode: TTL, M, Multi, FEB, Master, Slave, S1, S2
High-Speed Sync 1/8000s
Light rotation: 0¡ã- 180¡ãhorizontally and -7¡ã- 90¡ãvertically
The wireless trigger: Wireless induction flash lighting
Wireless triggering distance: 20-30m / 65-98 feet indoor, 10-15m / 32-49 feet outdoor
Lighting Times: 100-1500 times (AA Alkaline cell used)
Color temperature: 5500K
Flash Time: 1/200s-1/20000s
Flash Control: 8-step power control(1/128-1/1) step length is 0...
Powerextra is a famous trademark who specializes in offering digital camera batteries and photo accessories on Amazon...