SR250-R4R
A fully supervised, battery-powered outdoor siren featuring a built-in strobe and RF transceiver. Built tough for reliable alarm signaling in residential and commercial environments.
🔑 Key Features
Two-way wireless supervision for consistent monitoring
100 dB piezo siren with distinct intrusion and fire signals
Weatherproof (IP54) UV-resistant housing for outdoor durability
Integrated strobe light for clear visual alerts
Dual tamper protection (cover and wall)
Quick alarm response time (<4 seconds)
🛠 Technical Specifications
| Feature | Specification |
|---|---|
| Model | SR250-R4R |
| Power | 3 × “D” alkaline batteries (approx. 3 years life) |
| Backup Power | Optional 8–16 Vac or 9–20 Vdc input |
| RF Frequency | 433 MHz or 868 MHz (depending on model) |
| RF Range | Up to 70 m in typical residential setups |
| Sound Output | 100 dB |
| Environmental | IP54, −30 °C to +50 °C |
| Status Indicators | RF and power LEDs |
| Firmware Upgrade | Supported via 307USB |
| Dimensions | 240 × 180 × 60 mm |
| Certifications | EN 50131-1, EN 50131-4 Grade 2, EN 50130-5, CE |
📦 Package Includes
1 × Paradox SR250-R4R Outdoor Wireless Siren with Strobe
Mounting hardware
Quick installation guide
🎯 Best Used For
Outdoor perimeter protection
Wireless alarm system expansion
High-security residential or commercial installations
Environments requiring both audible and visual deterrents
Specifications
| Brand | Paradox |
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