The Nissin MG10 System Flash works with the Nissin Air System for delivering synchronized triggers. It has a built-in 2.4 GHz radio receiver for wireless operation from a distance up to 100 m. The flash has a guide number of 262 feet at ISO 100 and 200mm. You can adjust the zoom range of the flash from 18 to 200mm when using the diffuser panel. The flash head can tilt 90° in an upward direction and rotates from left to right in 180°. Refer to the integrated modeling LED when placing the flash at different angles. The power of the flash can be adjusted from 1/1 to 1/256 in 1/3 EV increments. As the flash is compatible with Nissin Air 10s, it can be teamed up with up to 8 groups. You can update the firmware by inserting the microSD card, which has an update file, in the dedicated slot. The flash runs on two 26650 batteries or eight AA batteries.