The Autonics GTL-420-12H2 is an electronic part with a fiber-optic sensor that has a sensing range of 0 to 670 mm and a temperature range of -60 to 250° Celsius. Its length is 2 meters. It is suitable for various applications such as measurement and detection of objects, temperature, liquids, and much more. Additionally, its slim design allows it to fit into limited spaces. It is 100% waterproof, dust-proof, and resistant to most chemical agents. The GTL-420-12H2 also features an advanced signal processing and noise-canceling technology to ensure output signals remain accurate and stable. It also includes a push-pull alarm output to warn for any out-of-range detected conditions.