IBUKI Air Horn spares STM-8Z Time controller, 6 Signal

The IBUKI STM-8Z is a marine-grade automatic time controller, also known as a "whistle time controller" or "horn penal," that operates a vessel's fog signal (whistle) according to international regulations, such as the COLREGs, and can be manually operated for emergencies. Designed for marine navigation bridge installations, it ensures fog signals are emitted automatically at prescribed intervals based on the vessel's speed, and is available with various voltage options, manual control switches, and interface capabilities.