1. Introducción
This manual provides essential information for the proper installation, operation, and maintenance of your Technaxx Car Security Alarm TX-168. Please read this manual thoroughly before using the device to ensure optimal performance and safety.
The Technaxx Car Security Alarm TX-168 is a versatile security system designed to protect vehicles, homes, offices, and boats. It features a PIR motion sensor, an external siren, and a remote control for convenient operation. The main unit also includes USB and USB-C charging ports.
2. Contenido del paquete
Verifique que todos los artículos estén presentes en su paquete:
- Car Alarm Unit (main device)
- External Siren with connection cable and 3A Fuse
- Remote Control (with CR2032 battery installed)
- Material de montaje
- Manual de usuario (este documento)

Image: The Technaxx Car Security Alarm TX-168 main unit, external siren, remote control, and connection cables.
3. Producto terminadoview
Familiarize yourself with the components of your Technaxx Car Security Alarm TX-168.
3.1 Car Alarm Unit

Imagen: Detallada view of the car alarm unit with labels for its features.
- PIR Sensor (Motion detection) and LED indication: Detects physical movement within its 120° cone angle. The LED indicates status.
- MicroUSB input: For charging the internal battery of the car alarm unit.
- USB-C charging slot: Provides power output for charging external devices.
- USB charging slot (2.4A): Provides power output for charging external devices.
- Panic button: Activates the alarm manually.
- Sirena: Integrated siren for alarm sound.
- Toma del encendedor de cigarrillos: Powers the unit and allows it to be plugged into a vehicle's 12V/24V outlet.
3.2 External Siren

Image: Close-up of the external siren, showing mounting holes and the remote control button.
The external siren provides an additional 105 dB alarm sound. It connects to your car battery and can be mounted under the hood.
3.3 control remoto
The remote control is used to activate and deactivate the alarm system. It operates wirelessly.
4. Configuración e instalación
Follow these steps to set up your Technaxx Car Security Alarm TX-168.
4.1 Car Alarm Unit Installation
- Insert the Car Alarm Unit into your vehicle's cigarette lighter socket. Ensure it is securely seated.
- The unit will begin charging its internal battery.
4.2 External Siren Installation
- Choose a suitable location under the hood of your vehicle for the external siren. Ensure it is protected from direct water exposure and heat.
- Use the provided mounting material to secure the external siren.
- Connect the external siren's power cable to your car battery. The cable includes a 3A fuse for protection. Ensure correct polarity (red to positive, black to negative).
- The external siren connects wirelessly to the main car alarm unit.

Image: Illustration of the external siren being installed under the hood and connected to the car battery.

Image: Visual guide demonstrating plugging the main unit into the cigarette socket, installing the siren under the hood, and using the remote control.
5. Instrucciones de funcionamiento
5.1 Arming and Disarming the Alarm
- A brazo the alarm: Press the button on the remote control once. The LED on the car alarm unit will indicate that the system is armed.
- A desarmar the alarm: Press the button on the remote control once again. The LED will change, indicating the system is disarmed.
The PIR motion sensor will automatically trigger the alarm if movement is detected within its 120° cone angle when the system is armed. The alarm will sound for a maximum of 2 minutes (car alarm) or 30 seconds (siren).
5.2 Panic Button Function
Press the 'Panic button' on the car alarm unit to manually activate the alarm. This can be used in situations where immediate attention or deterrence is required.
5.3 Charging the Car Alarm Unit
The car alarm unit has a built-in 500mAh lithium polymer battery. It can be charged in two ways:
- Via Cigarette Lighter Socket: When plugged into a vehicle's 12V/24V socket, the unit charges automatically.
- Via MicroUSB Input: Connect a MicroUSB cable to the MicroUSB input slot on the unit and a power source (e.g., a wall adapter or computer USB port) to charge the unit at home.

Image: Visual representation of the car alarm unit being charged via MicroUSB and highlighting its features like motion detection, USB/USB-C ports, and working time.
Charging time is approximately 2 hours. A full charge provides approximately 7 days of working time and up to 14 days of standby time.
5.4 USB and USB-C Charging Slots
The car alarm unit features a USB (2.4A) and a USB-C charging slot. These can be used to charge other electronic devices, such as smartphones, while the car alarm unit is powered.
6. Mantenimiento
6.1 Cuidado de la batería
- The car alarm unit contains a rechargeable lithium polymer battery. Avoid extreme temperatures to prolong battery life.
- The remote control uses a CR2032 battery. Replace it when the remote's range or responsiveness decreases.
6.2 Limpieza
Limpie el dispositivo con un paño suave y seco. No utilice limpiadores abrasivos ni disolventes.
7. Solución de problemas
- Alarm does not arm/disarm: Ensure the remote control battery is not depleted. Replace the CR2032 battery if necessary. Ensure you are within the remote's operating range (~32.1ft in open field).
- La alarma se activa inesperadamente: Check the PIR sensor for obstructions or sources of heat that might cause false alarms. Ensure the unit is stable and not subject to vibrations.
- Car alarm unit not charging: Verify that the cigarette lighter socket in your vehicle is functional. If charging via MicroUSB, ensure the cable and power source are working correctly.
- External siren not sounding: Check the connection of the external siren to the car battery. Ensure the 3A fuse is intact.
- Alarm stops prematurely: The alarm has a maximum duration (2 minutes for car alarm, 30 seconds for siren). If the alarm is stopped by pressing the white button on the device, this is a design feature.
8. Especificaciones
| Característica | Especificación |
|---|---|
| Detecting Range (PIR) | Ángulo de cono de 120° |
| Distancia del control remoto por infrarrojos | ~32.1ft (open field) |
| Alarm Time (Car Alarm) | máx. 2 minutos |
| Alarm Time (Siren) | máx. 30 segundos |
| Batería interna | Built-in rechargeable 500mAh lithium polymer battery 3.7V |
| Tiempo de carga | ~2 horas |
| Tiempo de trabajo | ~7 días |
| Tiempo de espera | ~14 días |
| Vol de entradatage (Car Alarm / Siren) | DC12 or 24V |
| Operating Current (Siren) | 100 mA |
| Cable Length (Siren) | 4.9 pies |
| Frecuencia de transmisión | 2.4GHz / Type: ASK |
| Maximum Radiated Transmission Power | 15.85 mW |
| Material | abdominales |
| Temperatura de funcionamiento | 14 ° F - 122 ° F (-10 ° C - 50 ° C) |
| Weight (Car Alarm) | 2.43 oz (69 g) |
| Dimensions (Car Alarm) | (L) 1.18 x (W) 1.18 x (H) 5.3inch (3.05 x 3.05 x 13.46 cm) |
| Weight (External Siren) | 4.23 oz (120 g) |
| Dimensions (External Siren) | (L) 2.87 x (W) 2.24 x (H) 2.44inch |
| Weight (Remote Control) | 0.56 oz (16 g) |
| Dimensions (Remote Control) | (L) 2.32 x (W) 1.46 x (H) 0.39inch |
| Nivel de ruido | 105 decibelios |
9. Garantía y soporte
The Technaxx Car Security Alarm TX-168 comes with a 2 año de garantía. For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official Technaxx websitio.





