The Kleinhupe from FHF is a universal signaling device that can be used in both dry and damp environments. It is designed for continuous operation and functions reliably within a temperature range of -20 °C to +60 °C. This signal siren is particularly suitable for personal protection applications and provides an effective way to generate acoustic signals. Manufactured in Austria, the Kleinhupe is made of high-quality plastic, ensuring its durability and resilience under various conditions. The neutral gray color blends harmoniously into different environments. The Kleinhupe is sold as a single unit and is a practical solution for security and alarm applications.