---
product_id: 59953171
title: "Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock"
brand: "loyal defender"
price: "$178.94"
currency: USD
in_stock: false
category: "Automotive"
url: https://www.desertcart.us/products/59953171-loyal-defender-nissan-new-sylphy-sunny-qashqai-x-trail-new
store_origin: US
region: United States of America
---

# Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock

**Brand:** loyal defender
**Price:** $178.94
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock by loyal defender
- **How much does it cost?** $178.94 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/59953171-loyal-defender-nissan-new-sylphy-sunny-qashqai-x-trail-new)

## Best For

- loyal defender enthusiasts

## Why This Product

- Trusted loyal defender brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Description: 1.Working principle OBD tire pressure monitoring is integrated in ABS sensor based on the tire pressure monitoring system principle of Volkswagan and BMW. It monitors the number of turns that the car has turned in a certain mileage, and figure out the circumference change of the tire based on the rotating speed change of 4 tires. The tire who has insufficient pressure has shorter circumference. Thus if there is any one tire in 4 tires has insufficient pressure, its number of turns is different from other tires. The one who has higher pressure turns less, and it will alarm when the value deviates. The one who has lower pressure turns more and it will alarm!  2.Parameter  Brand: Loyal Defender  Name: OBD TPMS+SPEEDLOCK Material: ABS shell  Applicable for: Honda  Manufacturer address: Guangzhou, Guangdong Province  3.Functions  1.auto alarm when tire pressure is 25% less than normal tire pressure(default, you can set) and driver for 1.5km 2.auto 4 doors lock when hang gear D 3. auto 4 doors unlock when hang in gear P  4. circular doors lock: when driving speed reaches 15km/h again after open any door during the trip  5. 4 doors auto unlock when emergently brakes with driving speed&#x2267;60km/h  6. flashing lights when emegently brakes with driving speed &#x2267;60km/h  7. flashing lights when open the door 8. flashing lights when reversing the car  Note: if you choose TPMS only, then it only has function 1 !!!!!!! 3.Installation 1.take out the cassette in testing port  2.Connect small plug with display  3.Clip display back to the testing port 4.Connect harness plug with original car plug

## Features

- 1.This fits forNissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X etc. Different car model apply different product, before place order, please mark your car model & which year to avoid buy wrong product
- 2.Easy installation: OBD, free of line connection; no need sensor; No need tear down tire; you can DIY to complete the installation
- 3.CAN-BUS technology, accurate and real-time intelligent monitoring; Original car blind hole display, no occupy other space; tempered glass display, clear and durable; No need battery, the power is supplied by cigar lighter
- 4.There are 2 options for you: 1, TPMS only; 2, TPMS+SPEEDLOCK
- 5.It will alarm for driving with tiredness: it will alarm with music every 2 hours driving, and the time will be re-calculated after engine off the car
- ›See more product details

## Images

![Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock - Image 1](https://images-na.ssl-images-amazon.com/images/I/51e5TAM7iQL.jpg)
![Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock - Image 2](https://images-na.ssl-images-amazon.com/images/I/41tFljGWKCL.jpg)
![Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock - Image 3](https://images-na.ssl-images-amazon.com/images/I/51YtXBXOxYL.jpg)
![Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock - Image 4](https://images-na.ssl-images-amazon.com/images/I/519LrGmqR%2BL.jpg)
![Loyal Defender Nissan new Sylphy Sunny Qashqai X-trail new Bluebird Venucia March D50 T70 T70X OBD TPMS tire pressure monitoring system real-time intelligent monitoring OBD sensor free auto door lock - Image 5](https://images-na.ssl-images-amazon.com/images/I/51qOBHPro5L.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-16*