Main Features: - TTL， manual and multi flash.
- Wireless master and slave unit functions.
- High speed sync 1/8000s.
- LCD display is convenient to shoot at night.
- Stable consistency and color temperature with good even lighting.
- Even light and small differences between four corners.
- With flash overheat automatic protection function.

Specification:
Flash Index: 58
Flash Coverage: 18 - 180mm
Wireless Cited Flash Distance: Indoor 20 - 30m， outdoor 10 - 15m.
Rotation Angle: 90 degree ( vertical )， 180 degree ( horizontal )
Color Temperature: 5500K
Flash Time: 1/200 - 1/20000s
Recycle Time: 2.9s
Battery: 4pcs AA alkaline cells or AA Nickel-hydrogen batteries ( not included )
Lighting Time: 100 - 1500 times Package weight: 0.632 kg
Product Size(L x W x H): 7.00 x 5.50 x 20.00 cm / 2.76 x 2.17 x 7.87 inches
Package Size(L x W x H): 10.00 x 8.00 x 23.00 cm / 3.94 x 3.15 x 9.06 inches Package Contents: 1 x Flashlight， 1 x Bracket， 1 x Bag， 1 x Protective Cover， 1 x English User Manual