The NOS Quantum QB-23 10ft. Battery 2 Power Cable Extension is a high-quality cable designed by the brand Quantum in the United States. This extension cable is compatible with various brands, making it a versatile option for photographers looking to extend the power source for their camera equipment. Its 10-foot length provides flexibility in positioning the power source for optimal shot setup. Perfect for those who require a reliable and durable cable to power their flash accessories during photo shoots.