1. บทนำ
This instruction manual provides detailed guidance for installing and operating your LIGHTAILING LED Light Kit, specifically designed for the LEGO Technic 42131 App-Controlled Cat D11 Bulldozer model. This kit is intended to illuminate and enhance the visual appeal of your existing LEGO set. Please note: The LEGO Technic 42131 App-Controlled Cat D11 Bulldozer model is NOT included with this light kit.

Image 1.1: The LIGHTAILING LED Light Kit illuminating the LEGO Technic 42131 App-Controlled Cat D11 Bulldozer.
2. ข้อมูลด้านความปลอดภัย
- อันตรายจากการสำลัก: ผลิตภัณฑ์นี้มีชิ้นส่วนขนาดเล็กและไม่เหมาะสำหรับเด็กอายุต่ำกว่า 6 ปี แนะนำให้ผู้ใหญ่ดูแลขณะติดตั้ง
- แหล่งจ่ายไฟ: When using a USB charger, ensure the voltage is less than 5V to prevent damage to the LED lights.
- การจัดการ: Install the LED light components carefully. Avoid hard pulling, bending, or shaking the wires and lights to prevent damage.
3. เนื้อหาบรรจุภัณฑ์
Upon opening your LIGHTAILING LED Light Kit package, please verify that all the following components are present:
- 1 x LED Light Kit (various light components and wires)
- 1 x Battery Box (batteries not included)
- 1 x Paper Instruction Guide

Image 3.1: The LIGHTAILING LED Light Kit packaging, indicating included items.

ภาพที่ 3.2: จบแล้วview of the light kit components.
4. การตั้งค่าและการติดตั้ง
The installation of the LED light kit is designed to integrate seamlessly with your LEGO model. Follow the included paper instruction guide for specific step-by-step instructions tailored to the LEGO Technic 42131 App-Controlled Cat D11 Bulldozer. General guidelines are provided below:
- การตระเตรียม: Ensure your LEGO model is assembled or partially disassembled as required by the instruction guide to access the areas where lights will be installed.
- แหล่งพลังงาน: Insert three AAA batteries (not included) into the battery box, or prepare a USB power source (less than 5V).
- การเดินสาย: Carefully route the light wires through the LEGO bricks and structures. The design allows for discreet placement to maintain the model's aesthetic. Avoid pinching or sharply bending wires.
- การจัดวางส่วนประกอบ: Attach the LED lights to the designated areas on your LEGO model as shown in the instruction guide. Ensure connections are secure but not forced.
- การทดสอบ: Periodically test the lights during installation to ensure proper function before fully reassembling your LEGO model.
For optimal results, take your time and refer to the detailed diagrams in the paper instructions.

ภาพที่ 4.1: อดีตample of LED light placement in the model's cabin.
5. คู่มือการใช้งาน
Once the LIGHTAILING LED Light Kit is fully installed and connected to a power source:
- เปิดเครื่อง: If using the battery box, switch it to the 'ON' position. If using a USB power source, connect it to a compatible USB port.
- สนุก: The LED lights will illuminate your LEGO Technic 42131 App-Controlled Cat D11 Bulldozer, bringing it to life with enhanced visual detail.

Image 5.1: The illuminated LEGO model from the front.

Image 5.2: The complete illuminated LEGO model.
6. การบำรุงรักษา
To ensure the longevity and optimal performance of your LIGHTAILING LED Light Kit:
- การทำความสะอาด: Gently dust the LED components and wires with a soft, dry cloth. Avoid using liquid cleaners directly on the lights or electrical components.
- พื้นที่จัดเก็บ: If storing the model for an extended period, remove batteries from the battery box to prevent leakage.
- การจัดการ: Continue to handle the model with care to avoid dislodging or damaging the delicate wires and LED lights.
7 การแก้ไขปัญหา
If your LIGHTAILING LED Light Kit is not functioning as expected, consider the following:
- ไม่มีไฟ:
- Check if the battery box switch is in the 'ON' position.
- Ensure batteries are correctly inserted and are not depleted. Replace if necessary.
- If using USB power, verify the USB cable is securely connected and the power source is active.
- ไฟกระพริบ:
- Check all connections to ensure they are firm. Loose connections can cause flickering.
- Ensure the power source is stable. Low battery power can cause inconsistent lighting.
- Damaged Wires/Lights: If any wires appear cut or lights are physically damaged, contact customer support for assistance. Do not attempt to repair damaged electrical components yourself.
8. ข้อมูลจำเพาะ
| ยี่ห้อ | แสงสว่าง |
| ความเข้ากันได้ของรุ่น | LEGO Technic 42131 App-Controlled Cat D11 Bulldozer |
| ประเภทแหล่งกำเนิดแสง | ไดโอดเปล่งแสง (LED) |
| แหล่งพลังงาน | Battery Powered (3x AAA, not included) or USB (Voltagอี < 5V) |
| วัสดุ | พลาสติก |
| น้ำหนักสินค้า | 5.6 ออนซ์ (160 กรัม) |
| ขนาดสินค้า | 6.5 x 4.72 x 1.57 นิ้ว (บรรจุภัณฑ์) |
| อายุที่แนะนำ | 6 ปีขึ้นไป |
9. การรับประกันและการสนับสนุน
LIGHTAILING is committed to providing quality products and customer service. While specific warranty details are not provided in this manual, if you encounter any issues or have questions regarding your LED Light Kit, please do not hesitate to contact LIGHTAILING customer support. Contact information can typically be found on the product packaging or the official LIGHTAILING webเว็บไซต์.





