Brand: Nice - Model: PT-04S1 - Quantity: 1 - Color: Black - Material: Plastic + metal - Compatible Camera Models: Nikon camera - Channel: 4 - Frequency: 433MHz - Operation range: 30 meters - Battery for Transmitter: 23A 12V (included) - Power for Receiver: 2 x 1.5V AAA batteries (not included) - The remote trigger for studio flashes and outdoor flash is used as the controller of synchronous trigger studio flash of cameras. It consists of a signal sender and a receiver trigger and works by means of the frequency modulation wireless remote control - The signal transmitter adopts the advanced circuit and components and can transmit the coded FM wireless signal. The circuit of the transmitter has the function of standby and hibernation thus it has low power consumption; the products can work under the standby mode for more than one year with only one battery; continuously trigger for thirty thousand times. The trigger current is only 0.01mA which will definitely cause no damage to the flash contact of the camera. The transmitter is applicable to the traditional or digital camera with hot shoe or PC controlling interface - Receiver trigger adopts dry battery for power supply which is safe energy-saving and convenient. The product adopts micro-computer for controlling the decoding which has superior anti-interference capability; sensitive reaction speed the highest synchronous speed can reach 1/250 sec - The trigger unit comprises a transmitter and a receiver. The transmitter mounts onto your cameras hot-shoe and the receiver can pack 1 speedlite on it. The trigger has long standby time Low voltage (5~12V) triggering with wide breadth quick response without excessive and omitted flash phenomenon - Packing List: - 1 x Transmitter (23A 12V battery included) - 1 x Receiver (2 x AAA batteries not included) - 1 x Connection cable (20cm) - 1 x Chinese user manual