As it is known to all， a flash light makes great contribution to amazing shooting results. A high-quality flash light will help you solve much trouble. Just attach importance to this YN560 IV Professional TX Master/RX Slave 90-degree Rotation Flash Light! Adopting high-quality material and fine workmanship， it can ensure a long-term life in use. This flash light offers the photographers the ability to control over the lighting of subjects when shooting outdoors in sunlight or indoors with overhead lighting. This helpful tool will make your shooting image outstanding and different from others. With a protector bag， it is easy to carry with!                                    Features            Compact， lightweight and convenient to carrySupport TX master and 2-mode RX slavePower-saving device for long-term useIt is very cost-effective and you just need to pay for a little money to achieve best shooting effectFully meet demands of each professional photographer and photography enthusiastIt supports 90-degree rotation for better operationAlso compatible with Nikon and Canon etc.                                                            Specifications            General<br>Model    YN560IV    <br>Color    Black    <br>Material    ABS    <br>Quantity    1Piece    <br>Specification<br>Compatible Brand    Universal    <br>Compatible Models    Canon， Nikon， Pentax， Olympus    <br>Actual Lumens    58lumens    <br>Type    Xenon    <br>Varible Focus    Yes    <br>TTL Mode    M / Multi， etc.    <br>GN    GN58 105mm    <br>Color Temperature    5600K    <br>Max Sync Speed    1/250s    <br>Recycle time    3s    <br>Working Voltage    6V    <br>Battery Type    AA    <br>Battery included or not    No    <br>Battery Quantity    4Piece    <br>Other Features<br>Other Features    2.0" display screen; Trigger mode: set-top / TX / RX / S1 / S2; Zooming range: 24 / 28 / 35 / 50 / 70 / 80 / 105mm; Rotating angle: -7~90 degrees (vertical) / 0~270 degrees (horizontal); Flashing time: 1/200s~1/20000s; Flash control: 8-level brightness control (1/258~1/1)， 29-level fine-tuning; Wireless trigger distance: 20~25m (indoor) / 10~15m (outdoor); Other features: power zoom / sound indicator / PC sync / energy saving / over heating protection.    <br>                                                            Package Includes            1 x Flash Light1 x Protector Bag1 x Manual in English