Higher guide number: GN58 ISO 100, 105mm, to match the mainstream professional hot shoe flashes.
Supports Canon wireless flash: acceptable original Canon camera and flash wireless flash instruction, realize the TTL flash from the machine.
Supports E-TTL: exposure compensation, the exposure surrounded, AE lock, after curtain synchronization, imaging flash,camera menu synchronization.
Intelligent Sound signal: You may concentrate on the creative process.
Supporting high-speed continuous shooting: With power settings of 1/8 or below, the DF-660 can support the 8FPS high-speed continuous shooting.
Light adjustment function: Lens overheating protection function, prevent rapid flashing led to high temperature scald, and extend the service life of flash.
The improved wireless triggering sensor: with S1 and S2 modes that can also be used outdoors, with a wireless triggering farther distance.
Charging socket for external power pack: to meet the need for a faster charging recycle.
Standard PC synchronous port.
Super fast recharging cycle: It only takes as little as 3 seconds to recharge after full power flash.
Power saving mode: In the power saving mode, the flash will automatically shutdown sooner.
Automatic setting saving: Automatically saves your setting when powered off.
Circuit design: Insulated Gate Bipolar Transistor (IGBT)
Guide No: 58 (ISO 100, 105mm)
Flash mode: E-TTL II, E-TTL, M, MULTI
Wireless mode: Canon wireless TTL, S1, S2
Wireless slave groups: 3 groups(A B C)
Wireless channel: 4
Zoom range: 24-105mm(In the 24 mm, use the Wide-angle Diffuser can cover 16 mm)
Power supply: 4 * AA size batteries(not included)
Recycle time: Approx 3s (AA alkaline cell used)
Color temperature: 5800K
Flash duration: 1/200s~1/20000s
Flash power adjustment: 8 levels of output control (1/128~1/1), 28 levels of fine tuning
Vertical rotation angle: -7~90 degrees
Horizontal rotation angle: 0~270 degrees
Item size: Approx. 19.5 * 7.8 * 5.5cm / 7.7 * 3.1 * 2.2in
Item weight: 402g / 14.2oz
Package size: 22.5 * 11 * 8cm / 8.9 * 4.3 * 3.1in
Package weight: 689g / 1.52LB
1 * DF660 Flash Speedlite
1 * Protecting Bag
1 * Hotshoe Stand
1 * User's Manual (English/Chinese)