A strobe light is permanently integrated into EPIRBs, unlike PLBs, which may or may not have one. EPIRBs are larger than PLBs, typically have longer battery lives (they must have at least 48 hours of activation time compared to 24 hours for PLBs), and are always equipped with them.
To buy EPIRB products with our expert advice, please contact us or visit our EPIRB services page