🔔 PYRONIX DELTABELL BLUE DUMMY EXTERNAL SIREN – PROFESSIONAL QUALITY

A high-quality silk-screened decoy bell box featuring our twin flashing LED module, designed to look exactly like a genuine live alarm siren.

Perfect for creating a realistic security deterrent at home or business premises – looks identical to an active Pyronix Deltabell installation.

✨ Features:

• Twin high-brightness 5mm LEDs – flash alternately every second (just like the real unit)

• Digital microprocessor-controlled electronics for precise, reliable operation

• Lithium battery included and pre-fitted – lasts 10+ years

• Lifetime Guarantee on the LED module

• Silk-screen printed cover – professional-grade finish

• Maintenance-free – fit and forget

• Approximate size: H 280mm × W 280mm × D 60mm

🏭 Manufactured in Dorset, UK
We are the original designers and manufacturers of the twin flashing LED module fitted in this unit.
As a family-run security systems company established in 1993, we use these same modules in our own alarm installations.

Our bell box may cost a pound or two more, but no other seller includes a pre-fitted lithium battery with a true lifetime guarantee!

You won’t be climbing a ladder every 18 months to change batteries — ours are still flashing after over 10 years of service!

🚨 Why choose this dummy siren?

• Looks and performs just like a genuine Deltabell alarm

• Twin LEDs – not the cheaper single LED version

• Professional-grade, UK-assembled unit

• No wiring required – ready to install

• Ideal for homes, garages, caravans, and outbuildings

📞 Need help or advice?
The phone number printed on the cover is our real office number — call and you’ll reach us directly!

❓ FAQ:

Q: Do the LEDs flash all the time?
A: Yes — the battery is already installed. Simply fit and forget.

Q: Do they flash together or alternately?
A: They flash alternately at one-second intervals.

📦 Fast UK Dispatch – Royal Mail 48 Hour Tracked
🔋 Battery Included & Fitted | 🛠 Lifetime Guarantee | 🇬🇧 Made in the UK