Minolta SONY, for they use a special hot shoe) Globally univeral 433Mhz frequency, 16 channels. With studio flash interface, can trigger several kinds of studio flashes. Transmitting distance up to 30M, no limits with directions or angles. 1/4" nut design to be connected with tripod for stable flashlight. Speedy frequency regulation, convinient for photographers to shoot. Energy-saving design with 12V 23A battery of transmitter and 2 AAA batteries(not included) of receiver. Comes with a PC sync cord for cameras without hot shoe socket. Note: This trigger do not support TTL function.Specifications:Andoer AD-560Ⅱ Universal On-camera Flash Speedlite: Brand: Andoer Model: AD-560Ⅱ Circuit Design: Insulated Gate Bipolar Transistor (IGBT) Guide No.: 50 (ISO 100) Flash Mode: M, S1, S2, LED Vertical Rotation Angle: -7~90 degrees Horizontal Rotation Angle: 0~270 degrees Power Supply: 4 * AA batteries Andoer Universal 16 Channels Wireless Remote Flash Trigger: Power of the signal transmitter: 23A 12V mini battery (included) Power of the receiver(AC): 2 * 1.5V AAA Battery (not included) Outdoor working distance: max. 30m / 90feet (open area, no fraise) Indoor operating distance: max. 25m / 75feet Channel: 16 channels Frequency: 433Mhz Synchronous speed: Max. 1/250sec Color: black Material: metal + plastic Package Size: 10 * 10 * 26cm / 3.9 * 3.9 * 10.2in Package Weight: 630g / 22.2oz Package List: 1 * Andoer AD-560Ⅱ flash speedlite 1 * Protecting bag 1 * Mini stand 1 * 16-channel Transmitter 1 * 16-channel Receiver 1 * PC Sync Cord(2.5mm to PC) 1 * User manual for AD-560Ⅱ(English & Chinese) Note:AA and AAA batteries are not included.