Features: Support TTL automatic flash, high-speed synchronization 1/8000s, second curtain shutter synchronization, exposure compensation, exposure surrounding and other functions. GN 58, 180mm, ISO 100, supports multiple flash modes: TTL/ M/ MULT/ S1 / S2 / Master/ Slave. Highly sensitive sensor supports 2.4G wireless triggering distance is up to 100 meters in outdoor. Metal hot shoe, solid, reliable, durable, not easy to damage. Suitable for Sony camera wireless flash system, wireless group remote control, remote synchronization trigger, meet a variety of shooting needs. 2.3s recycle time, supports high speed continuous shoot. The rotatable LCD screen is clear for displaying multiple readings, the buttons and knob can help you to adjust various settings quickly and easily. There are two ways of charging modes: four AA battery, connect the external power supply. It will start energy-saving mode if there is no operation for 30s. Support long time continuous shooting, you will not worry about running out of power. Overheating protection and multiple protection, safe to use. Specification: Model: G1500 Product Name: Flash Compatible Camera: for Sony Camera Material: Plastic Color: Black Circuit Design: IGBT Flash Index: GN58 (ISO100, 180mm) Flash Coverage: 14-180mm; manual zoom, auto zoom, flash head rotation (reflected flash) Flash mode: Automatic TTL mode, manual mode M, strobe mode Multi, 2.4G master control, 2.4G slave, optical induction S1, optical induction S2 Wireless Trigger: 2.4G wireless flash, S1/S2 optical induction flash Wireless Trigger Distance: A, optical induction, 20-30 meters indoor, 10-50 meters outdoor; B, 2.4G, 100 meters Support Subordinate Unit Group: 3 groups (A, B, C) Radio Channel: 2.4G radio channel: 16 groups (1-16) Tilting Angle: -7-90° Panning Angle: One side 0-90°, the other side: 0-180° Color Temperature: 5500 k Flash Time: 1/200 s-1/20,000 s Flash Control: 1/128-1/1, step length: 0.3EV, total 22 level fine tuning adjustment External Interface: Hot shoe, PC synchronization jack, external power interface Recycle Time: 2.3 s Power Supply: 4 x AA alkaline batteries / NI-MH battery(Batteries not included) Luminous frequency: 100-1500 times Additional Features: Power saving mode, overheating protection Size: Approx. 200x75x57 mm/ 7.87x2.95x2.24 inch Packing List: 1 x Flash Light 1 x Protective Bag 1 x Mini Stand 1 x User Manual 1 x Soft Diffuser