Pretty shape, it has the decoration function modern modeling, facile exquisite, whole set only like palm size, facilitates to carry. It can realize to use up to 100m, when under the good condition. It's very suitable for outdoors personnel's use, especially to use for geological prespecting, field shooting, mountaineering travel. To control single-frame, continuous-frame and bulb mode, supports 3 seconds delay shoot and the group racket function. The transmitter has the signal condition to instruction, green light is focusing, and red light is shutter or B mode. Receiver is user-friendly, not only has the independent power supply switch, but also has a paire of lamp status indicator. Used the high-quality PU spring line to be connect link, the normal length is 50cmextended length approximately 150cm, it's surtable to carry, also the receiver can be used without the transmitter. The multi-layers high-quality plastic packing, the surface showed clear, also increases artistic, and transportation protection. Has strong anti-interference funcition and has 16 channels. Energy-saving design allows long battery life usage. Suitable for: DSLR Sony A100/A200/A300/A350/A700/A900.