Ideal for dump trucks, bulldozers, loading shovels and all heavy earthmoving machinery.  Features Brigade's unique and patented dome speaker.  Double-reflex flared horn design for extra strength, durability, sound quality and constant sound pressure level (SPL), even under extreme temperatures.

Sound frequency of 1.9kHz is optimised for construction equipment. Lower frequency alarms are more likely to be masked by construction site noise, which is mainly lower frequencies of around 1.0kHz.

• Conforms to SAE J994 environmental standards
• Tough, durable, guaranteed waterproof (IP68)
• Solid-state, spark-free electronics, epoxy-sealed against mud, water and vibration
• Can be steam-cleaned and pressure-hosed
• CE and 'e' marked (EMC)