For those who protect, who provide, who build - handset failure is not an option. That's why the KENWOOD KWSA50K is built to meet the industry's toughest standards, KENWOOD Rugged Performance Standards. KWSA50K is ultra-rugged and ultra-reliable for use in critical situations. Communicate securely with Handset Powered Audio Accessories connected through the SecureAudio Connector. Install, manage and control communications more efficiently with Hassle-Free Deployment and the SCOUT Enterprise XPerience (Powerd by Sonim) and enjoy all-day power with Multi-shift Battery Life. The Kenwood KWSA50K is built to meet the toughest industry standards for everyday use and business critical system integration.