If an intruder breaks in through a protected door/window the alarm will instantly go off, the sirens are deafening and they will not hang around and the siren will sound until either you turn it off or the two sensors are aligned.
eBay
Professional quality external live bell box is designed to be fitted to wired intruder alarms and is compatible with almost all manufacturers control panels including Eurosec, Pyronix, Texecom, ADE, Honeywell, Menvier, Scantronic, C&K and many more! (if in doubt please ask). This TWIN PIEZO is VERY LOUD with a sound output of 118db and is one of the loudest bell boxes in its class. The bell box is the latest design often associated with professional alarm installations and has twin warning LEDs, strobe, front and rear tamper facility, TWIN siren and its own rechargeable battery to allow the sounder to work in the event the control panel fails. Main Features Latest Slimline design with Strobe lens. TWIN Piezo Sounder delivers 118db!! Twin Comfort LED's Cove.
eBay
1 Wired Alarm Strobe Siren. Compact and mini size, lightweight and portable. Sound pressure: 110±3V DC. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls.
eBay
GauTone Wireless Outdoor Solar Siren Powered Strobe Sound Flash Waterproof Alarm Siren for 433MHz Wifi GSM Alarm System. The siren can be used as the alarm host. Can be used as an alarm host, or a high-power sound and light siren.
eBay
Fit for: Universal fitting: It will fit any road vehicles Siren Compatible with most major car alarms and Rightclick alarms. Specifications: OE Number: SIR1TBB01 Product Material: Metal Colour: Black Loudness: 120 dB Operating Voltage: 12 volts Packaging Weight: 267 g Packaging Sizes (cm): 16 x 11 x 7 NOTES: The packaging sizes may be slightly off due to manual measurement, different measurement methods and tools. Features: *Warning .
eBay
Frequency: 868MHz. Visonic Power Max+. Visonic Part Number: 103-304742. This siren IS compatible with both POWERMAX. Video shows the siren working when the self-test button is pressed. The siren was also tested when connected to a PowerMax alarm.
eBay
Ultrasonic alarm- Ideal for protecting van doors and shed doors. Up for sale is a 12v magnetic door switch alarm. 3, The alarm will go off when you open the door but instantly turn off once the door is shut.
eBay
[Waterproof Material]IP67-rated water with sturdy ABS casing, that your solar strobe light can perform well outdoors all year round and in almost all climates. 1 x Wireless solar alarm. [Adjustable Sensitivity to Avoid False Alarms]Stylish and waterproof design, suitable for outdoor use.High-intensity warning lights and high-decibel sirens, intense more warnin.
eBay