Features:
Features a maximum guide number of 56 at ISO 100 180mm. 
Covers a focal length from 24mm to 105mm to different photography needs.
It takes only 2.9 seconds for the flash to be fully charged after a full level output. 
Fast Sync Flash, can synchronize with all shutter speeds, maximum shutter speeds up to 1/8000s. 
Designed with LCD screen for use in dark environment, portable enough. 

Specification:
Brand: Zomei
Condition: Brand New
Material: Plastic, Alloy
Color: Black
Guide Number: 56(ISO 100, 180mm) 
Flash Coverage: 18-180mm 
Flash Modes: TTL, M, Multi 
Wireless Modes: S1/S2 
Wireless Triggering Modes: Slave 
Zoom Modes: Auto/Manual 
Wireless Trigger Distance: Indoor 20-30 meters; Outdoor 10-15 meters
Vertical: -7-90 degrees; Horizontal: 0-180 degrees 
Color Temperature: 5500K 
Sync Speed: HSS, 1/8000s 
Recycle Time: 2.9 seconds 
Lighting Time: 110 times 
Flash Control: 1/128-1/1 step length is 0.3EV, total of 22 fine-tuning stalls. 
External Interface: hot shoe, PC sync port, external port charging
Size: Approx. 20.5 * 8 * 6 cm / 8.1 * 3.1 * 2.4 in
Weight: Approx. 559g

Package List:
1 * Speedlight
1 * Light Cover
1 * Storage Bag
1 * Base
1 * Manual

Note:
This flash is not compatible with some models for Canon or for Nikon mirrorless cameras.