The E3ZM-R81 2M is an optical fiber amplifier made by Omron Corporation. It is designed for use in a wide variety of applications such as image processing, process control, factory automation, and illumination control. The amplifier has an integrated power supply, which can be adjusted to suit a specific application. It offers an output current of up to 2 mA and has two input cables that can be used to connect to a fiber-optic cable or fiber-optic spliters. The device also has a high-sensitivity amplifier, making it ideal for use in challenging light conditions or environments.