AJAX 42808.11.BL3 Wireless Indoor Siren, Black
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Key Features
- Immediate audible deterrent with adjustable volume (81–105 dB) to fit offices, retail or residential spaces
- Remote setup and control via app plus QR-code pairing for fast, hassle-free installation and commissioning
- Battery-powered, tamper-resistant design ensures continuous protection and reduced maintenance for indoor security
- Customizable alarm length (3–180 s) and delay indications let you tailor alerts to your monitoring and response workflows
- External LED connector for visible alarm signaling and seamless integration with surveillance or access control systems
Quick Specifications
- Product Model
- 42808.11.BL3
- Brand Name
- AJAX
- Product Name
- Siren
- Product Type
- Siren
Explore the details
Product information
42808.11.BL3
Overview
Protect interiors with a compact, high-impact alarm: the AJAX 42808.11.BL3 Wireless Indoor Siren delivers loud, reliable audible alerts and smart control for commercial and residential security. Built by AJAX, this wireless siren emits up to 105 dB with adjustable volume from 81–105 dB and configurable alarm duration from 3 to 180 seconds, giving you flexibility to match response procedures and tenant comfort. Battery-powered and tamper-resistant, it provides dependable indoor protection with minimal upkeep. Remote setup and daily control via the AJAX app plus QR-code pairing speed deployment, while an external LED connector enables visible signaling to complement CCTV and access-control monitoring. Compatible with AJAX hubs and radio range extenders, the siren integrates into complete alarm and surveillance systems for centralized monitoring and faster incident response. Ideal for offices, retail stores, and multi-tenant buildings that need discrete, effective intrusion alerts. Add the AJAX Wireless Indoor Siren to your security setup for professional-grade audible protection — order now or contact us for system integration advice.
Features
- Immediate audible deterrent with adjustable volume (81–105 dB) to fit offices, retail or residential spaces
- Remote setup and control via app plus QR-code pairing for fast, hassle-free installation and commissioning
- Battery-powered, tamper-resistant design ensures continuous protection and reduced maintenance for indoor security
- Customizable alarm length (3–180 s) and delay indications let you tailor alerts to your monitoring and response workflows
- External LED connector for visible alarm signaling and seamless integration with surveillance or access control systems
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer | AJAX SYSTEMS CH |
| Product Name | Siren |
| Product Type | Siren |
| Manufacturer Part Number | 42808.11.BL3 |
| Technical Information | |
| Alarm Type | Audible |
| Security Grade | 2 |
| Application/Usage | Door, Indoor, Security System |
| Connectivity Technology | Wireless |
| Environmental Conditions | |
| Sound Emission | 105 dB |
| Physical Characteristics | |
| Color | Black |
| Depth | 1.1" |
| Width | 3" |
| Height | 3" |
| Weight | 3.42 oz |
| Durability | Tamper Resistant |
| Power Description | |
| Power Source | Battery |
| Product Information | |
| Bulb/Tube Type | LED |
| Miscellaneous | |
| Features | External LED connector |
| Compatibility | Ajax Products: Hubs Radio Signal Range Extenders |
| Indoor/Outdoor | Indoor |
| Country of Origin | UA |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4280811BL3
- Manufacturer part:
- 42808.11.BL3
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAJAX 42808.11.BL3 Wireless Indoor Siren, Black
42808.11.BL3