The TW- CPW-RB-01 Waterproof Taurus Wireless Manual Call Point (MCP) is a fully intelligent device which is compatible with all Taurus Translator and Expander Modules. A key is supplied with the MCP for reset and case opening. The product is powered by two lithium CR123A batteries with a typical life of 10 years. This waterproof version (TW- CPW-RB-01) is available for use outdoors or in hostile environments.