Model: PR-02A - Quantity: 1 - Color: Black - Material: Plastic - Compatible Camera Brand: Universal for hotshoe camera - Remote trigger which cameras make use of to trigger speedlites consists of the transmitter and receiver works by means of the FM wireless remote control - Transmitter adopts advanced circuit and components as well as sends FM wireless signal; The circuit is designed with standby sleep model so power consumption is extremely low: with one battery if works in a standby way it can continuously trigger 30000 times and standby for one year - The trigger current is only 0.01mA never have had a affection on the hotshoe contract of camera and can be used for any digital cameras with hotshoe or traditional cameras with PC jack - The receiver uses dry battery to supply electricity power safe energy saving and convenient usage the coding is controlled by microcomputer and the receiver has super anti-interference capacity it has sensitive reaction speed and the highest synchronous speed can reach 1/250 second - Battery for transmitter: 23A / 12V mini battery (included) - Battery for receiver: 2 x AAA alkaline batteries (not included) - Largest work distance: 30m - Work Frequency: FM 433MHz - 2-Channel umbrella holder - With - Packing List: - 1 x Transmitter (23A / 12V mini battery included) - 1 x Receiver (2 x AAA batteries not included) - 1 x Umbrella reflector - 1 x Soft light umbrella - 1 x Connection cable (20cm) - 1 x English user manual