COMPATIBLE WITH SONY MI HOT SHOE CAMERAS: Sony A3000 A5000 A5100 A6000 A6300 A6500 A7 A7R A7S A7SII A7MII NEX-5 NEX-6 A77II A58 A99 A99II RX1 RX1R RX1RII RX10II RX100II HX400V HX50(Please carefully check whether it is suitable for your camera model before buying) | MULTIPLE MODES: In addition to supporting TTL, flash speedlite also support manual optical slave(s1,s2),stroboscopic mode ,front/rear curtain-sync; At the same time, in order to better protect the flash, we use overheating protection, automatic sleep mode, low power prompt function and memory function | LIGHT SENSING DISTANCE: Speedlite Camera flash can sense 15m indoors and 10m outdoors; As a mini flash with TTL, MK320 is not suitable for wide-angle shooting. The GN value of 32 is enough for many common occasions such as portrait, still life, street shooting, etc | LED AUXILIARY FOCUS LIGHT: Built-in LED light can provide the auxiliary lighting for the video clips; In the power-on state, press the switch button to switch the LED light on and off. When the LED light is on, it is effective for within 2 meters in the dark to assist focusing and taking pictures | SPECIAL DESIGN: Support on-camera and off-camera flash triggering; Metal hot shoe contact and fixed knob make it more secure and stable to fix with the camera; External Micro USB interface can be use as a port to charge the speedlite(must be rechargeable battery) and upgrade the firmware