Industrial-grade dual mode backup alarm engineered for commercial vehicle and machinery reversing safety featuring selectable beep or broadband (squawk/white noise) sound modes allowing operators to choose appropriate warning type for specific work environments, wide 12-80V DC operating range supporting light commercial 12V systems, heavy commercial 24V systems, mining equipment 48V systems, and industrial machinery up to 80V without requiring voltage-specific models, 102dB sound output (±3dB) providing audible warning across construction sites, warehouses, mining operations, and industrial facilities even in high ambient noise environments, IP67 dust-tight and waterproof rating ensuring reliable operation in extreme weather, pressure washing, and harsh industrial conditions, nylon-epoxy encapsulated housing withstanding impacts, vibration, and chemical exposure, -40°C to +85°C operating temperature range suitable for Arctic winters and desert summers, 69H x 70W x 40D mm compact design fitting tight mounting locations, 102mm bracket mounting centres for secure installation, ideal for trucks, buses, commercial machinery, mining equipment, forklifts, agricultural vehicles, construction equipment, caravans, motorhomes, and any application requiring compliant reversing warning systems.