Based on this product's specifications, here are some alternatives and similar models
Outdoor siren Evolveo Alarmex/Sonix with tamper protection, model ACS OTS
Summary description:
Outdoor siren Evolveo Alarmex/Sonix ACS OTS provides audible alarm signaling for external security systems. Designed for outdoor installation, it includes tamper protection to detect tampering or removal. Suitable for homes, commercial properties and perimeter security, it integrates with compatible control panels and offers a visible and audible deterrent to intruders.