The warner emits a humming / buzzing sound if the light is still switched on after you have removed your car key. A visual light signal cannot be seen. You can attach the Warner with screws or it with tape.
eBay
Koorinwoo Parking Sensors Kit 4 6 8 13MM Flat Front And Back Radars With LED Display Alarm Detector System Auto Parking Assist
Aliexpress UK
Comprehensive Protection: The car auto burglar alarm protection system provides multi-layer security with easy-to-use buttons: Arm (Button 1), Disarm (Button 2), Anti-Hijack (Button 3, programmable), and Trunk Release (Button 4), along with other programmable silent arm/disarm options, ensuring your vehicle is safeguarded against unauthorized access.
eBay
ACCEO USB Plug TPMS Car Tire Pressure Monitoring System Real-time Monitoring of Tire Temperature Tire Pressure Tire Safety Alarm
Aliexpress UK
Comprehensive Protection: The car auto burglar alarm protection system provides multi-layer security with easy-to-use buttons: Arm (Button 1), Disarm (Button 2), Anti-Hijack (Button 3, programmable), and Trunk Release (Button 4), along with other programmable silent arm/disarm options, ensuring your vehicle is safeguarded against unauthorized access.
eBay
SPY DC 12V 2-way Car Alarm System Universal Automatic Remote Start Lcd Smart Key with 2 Two-way Remote Control
Aliexpress UK
Signal Interference Protection: Equipped with 2.4 GHz wireless communication technology, the wireless car engine lock is engineered to resist external signal interference, ensuring the stability and reliability of your vehicle's protection system.
eBay
Universal Car Remote Control Central Door Locking System Kits DC 12V Vehicles Anti-theft Alarm Keyless Entry System
Aliexpress UK
Press the “ lock ”button, the siren sounds once, then enter the anti-theft state in 5 seconds. If it is triggered by vibration, it will be sound for 5 seconds. If it is triggered in 3 seconds again, sounds for 30 seconds with 6 tones circulated.
eBay
TPMS External Waterproof Sensor Tire Pressure Real Time Truck Car Alarm Monitor LCD Tire Pressure Monitoring System Solar
Aliexpress UK
1 Shock Sensor. Multi-level security arming & high reliability and quality. 3 Close Ignition Security. 4 Open Ignition Security. 15 Security lock with automatic re-arm. 9 Delay line buttons by Courtesy Light.
eBay
E-ACE K01 TPMS solar sensor intelligence Wireless Tire Pressure Monitoring System Auto Security Alarm Device With 4 sensors
Aliexpress UK
Comprehensive Protection: The car auto burglar alarm protection system provides multi-layer security with easy-to-use buttons: Arm (Button 1), Disarm (Button 2), Anti-Hijack (Button 3, programmable), and Trunk Release (Button 4), along with other programmable silent arm/disarm options, ensuring your vehicle is safeguarded against unauthorized access.
eBay
SPY Car Two Way Alarm System Full Set Immobilization Remote Starter Keyless Entry Automotive Smart Central Locking Control Kit
Aliexpress UK
Signal Interference Protection: Equipped with 2.4 GHz wireless communication technology, the wireless car engine lock is engineered to resist external signal interference, ensuring the stability and reliability of your vehicle's protection system.
eBay
Car Parking Sensor Assistant Parktronics 4 Black/Silver/White 13mm Flat Sensors Reverse Radar Sound Buzzer Alarm Sound
Aliexpress UK