Jager has over 50 years of experience manufacturing high quality aquarium heaters. The Jager heaters are recognizable by millions of satisfied customers around the world. All Jager heaters are black and have a 6' double insulated cord. Specifications: - Perfect for freshwater or saltwater use - All heaters are black - 6 foot double insulated power cord included - Heavy duty 2mm thick shock resistant Pyrex glass construction is twice as thick as most other heaters and far stronger. - Temperature is adjustable from 64°F and 94°F with an easy to adjust thermostat. - Precision bistable thermostat with an impressive +/- 0.5° accuracy. - Free from radio and TV interference. - 200W heater length: 15"