These high-visibility Firechief Emergency Whistles provide essential loud audible warning capability in fire emergencies and evacuation scenarios. Designed specifically for fire marshals and wardens, they offer a reliable method of alerting building occupants when electronic systems may be compromised or insufficient during rescue operations. The grade build features pea-less design for consistent performance regardless of conditions, eliminating the risk of failure from moisture or debris. Each whistle is crafted from durable, non-corrosive orange plastic that remains highly visible in emergency situations and withstands regular use in demanding environments. Key features Dimensions: 2.2 x 1.8 x 7 cm per whistle Weight: 0.08 kg for the pack of 10 Compliance: Approved to EN394, 396 standards MED-suitable for maritime applications