The EB3477TR is an alarm siren manufactured by ELTA. It is a 12-24v DC, low current siren which creates a loud continuous warning tone and can be used for general alarm, burglar and fire alarm applications. It is weatherproof and IP66 rated for long-term outdoor use in all kinds of environments. This siren has a built-in electronic anti-tampering system that triggers immediately when opened or removed, and can be easily mounted on walls, doors, and ceilings. It also has an LED indicator light that indicates an alarm or tamper event in real time. Additionally, it is compatible with standard alarm control panels, making it an ideal choice for home and business security systems.