YN 560 IV is contain both a 2.4 GHz wireless radio transmitter and receiver, the Yongnuo YN560-IV Speedlite is a long range manual flash which can triggering other flashes also you can trigger it with RF-603 and RF-602 wireless transmitters. The YN560-IV has a very powerful guide number of 190' at ISO 100 and 105mm. TYn 560 IV flash also has Zoom head which operate at 24-105mm, you can also expanded to 18mm with the built-in wide-angle diffuser. Additionally, this output can be adjusted from 1/1 to 1/128 power in 1/3 and 1/2 EV steps.
You can full swivel head for every possible lighting due to -7 to 90° tilt and 270° of rotation with the locking flash head. The flash can also be triggered optically with either instant sync or skip pre-flash options for simpler off-camera firing. A built-in PC sync port further enhances the flash's connectivity and a Multi mode allows for stroboscopic lighting effects. The flash runs on 4 AA batteries and has a recycle time of about 3 seconds. It comes with a protective case and a stand.