There are two variations. One is a dummy alarm, just a hollow shell, and the other is a live alarm.
eBay
For Lishi Yale Picks Picking SS001 2 in1 Locksmith Tools Master Key Decoder Micha Decoder Hooks Topolines To Open Locks
Aliexpress UK
The siren is used by working. It comes with manual which has got wet at some point and the pages are stuck together.
eBay
Wireless Door Stop Alarm System120dB With Door Lock Home Security Kit Anti-Theft Alarm System Portable Door Stoppers Alarm Siren
Aliexpress UK
eBay
433Mhz Indoor Wireless Siren Alarm For Smart Security Alarm System PG103, PG105, PG107, PG108
Aliexpress UK
EASY INSTALLATION: the Outdoor Siren can be wall mounted using the provided fixing tools.
eBay
12V/24V/220V Strobe Siren Alarm Waterproof Safely Security Alarm Strobe Anti-theft Alarm Warning Light Flashing Led Strobe Lamp
Aliexpress UK
The Yale AC-PBX External Siren Sync Alarm Accessory is a powerful 104 dB siren with a 200m range, designed to be compatible with Yale Sync Alarm systems. With its smart home compatibility and Yale Sync Alarm system integration, this alarm accessory provides an added layer of security to your home. Made by the trusted brand Yale and originating from China, the AC-PBX External Siren Sync Alarm Accessory is a reliable and effective choice for enhancing your home's security.
eBay
Scare off would-be intruders and alert the neighborhood with this wireless 105 dB indoor/outdoor siren. Loud 105 dB siren makes sure the alarm is heard when a security risk is detected. IP65 weather-resistant design, so the siren can be used indoors...
eufy UK
NEW YALE IA LIVE SIREN WITH BATTERIES IA-BX. We understand that the security world can be confusing and expensive and we are here to help you through it as best we can. WORKS WITH THE IA AND SYNC SERIES ALARMS.
eBay
12V/24V/5V Strobe Siren Alarm Waterproof Safely Security Alarm Strobe Anti-theft Alarm Warning Light Flashing Led Strobe Lamp
Aliexpress UK
The Yale Outdoor Siren features an external loud siren reaching an impressive 100dB, that will sound off when triggered, and will send tamper alerts directly to your phone or smartwatch. Outdoor Siren (Yellow) - Smart Alarm Range.
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Aquarium Isolation Box Fish Tank Breed Hatchery House Incubator External Breeding Isolation Box With Pump Aquarium Accessories
Aliexpress UK
Add to Favourites.
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PVC Pipe Threader Internal And External Thread Water Pipe Opener Garden Water Pipe Threader Tapping Tool for Electric Drill
Aliexpress UK