The HID 1346LNSMN 1346 ProxKey III Keyfob is a proximity key tag fob with 26 bits of security, designed for use in the USA only. Manufactured by HID Corporation, this keyfob is a mechanical component that serves as a control panel and keypad for alarm systems. It comes with a warranty for use within the USA, making it a reliable and secure option for businesses and industrial facilities looking to enhance their surveillance and alarm equipment.