Compact yet highly effective, it instantly notifies you and deters intruders when your alarm is triggered. 🔊120 dB Powerful Sound – Extra loud siren quickly alerts you, neighbors, and deters intruders.
eBay
Staniot Wireless Alarm Security Keypad Built-in 1500mAh Battery Anti-dismantling Alarm RFID Tag for Home Security Alarm System
Aliexpress UK
External wired alarm connectors: 1 channel external wireless siren, 1 channel. Siren output：<500mA. GSM system：850/900/1800/1900MHz. Support the alarm such as battery problem, low power battery anti-pry alarm etc.
eBay
Staniot Wireless Alarm Security Keypad Built-in 1500mAh Battery Anti-dismantling Alarm RFID Tag for Home Security Alarm System
Aliexpress UK
One Set Of Tuya Alarm Host A External wired alarm connectors: 1 channel external wireless siren, 1 channel. Siren output：<500mA. Support low power for wireless parts, Tamper alarm function. GSM system：850/900/1800/1900MHz.
eBay
Wireless Door Stop Alarm System120dB With Door Lock Home Security Kit Anti-Theft Alarm System Portable Door Stoppers Alarm Siren
Aliexpress UK
The PIR sensor is a wide angle 10.6mX10.6m with high catch performance and false alarm immunity. 1 Wired PIR Motion Sensor. Wide Detector Angle: 110° (10.6mX10.6m). chip, anti-EMI & anti-RFI design.
eBay
Mini Wireless Alarm Door Stop Alarm 120dB Great for Home Wedge Shaped Stopper Alert Security System Block Blocking System
Aliexpress UK
Sound index: 120dB. At 120dbs, this siren will not only alert the neighbors of the intrusion, but scare away the burglar right out of your house! This piercing, plug-in siren can be plugged into your keypad/Console.
eBay
WiFi or Zigbee Water Leak Sensor Tuya Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System
Aliexpress UK
Sound index: 120dB. At 120dbs, this siren will not only alert the neighbors of the intrusion, but scare away the burglar right out of your house! This piercing, plug-in siren can be plugged into your keypad/Console.
eBay
WiFi/Zigbee Water Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System
Aliexpress UK
And the switch and magnet are separated, and the switch is open. Switching Pressure: 100VDC. Close = short circuit = create a path for the current. 10 Pair Door Window Sensor. Switch Output: NC (Normally Closed).
eBay
KERUI WiFi/4G GSM Burglar Alarm with 7 Inch Large IPS Touch Screen for Home Security Alarm System with Siren Motion Sensor G70
Aliexpress UK
Sound pressure: 120DB. It can be connected to the main unit of the alarm output port. 1Pc Alarm Horn. Choose high-quality wires carefully, which are more durable and long-lasting than other alarm devices.
eBay
Door and Window Alarm Security Wireless Home Window Door Anti-theft Security Alarm System Magnetic Sensor
Aliexpress UK