[PREMIUM MATERIAL] Made of plastic and metal, this shutter release remote control cable ensures durability and reliability for long-term use. [EFFECTIVE TOOL] Prevents vibration during long exposure, macro, and continuous for clear and photos. [AUTO FOCUSING] Half-press the shutter release button for quick and accurate focusing and metering. [EASY TO USE] Features a shutter-release button lock for long-exposure and continuous with simple one-touch operation. [WIDE COMPATIBILITY] Compatible with a range of cameras including D300, D700, D800, D4, D3, and more for versatile options.