
continuous flight in the age of intelligent drones
The DJI Matrice 4 series Drones brings the new era of intelligent flight operation. is the payload master of all drones. The series includes Matrice 4T and Matrice 4E, each equipped with advanced features such as smart detection and measurement with laser range finder, suitable for various operations, including public safety, parameter security and surveillance.
Now, the Matrice 4 Series is compatible with the new V-Line Pro. The specialized tethered system enhances the drone’s performance by extending both its flight time and operational use. With the V-Line Pro, operators can extend mission times and optimize aerial operations, making it ideal for thorough inspections, monitoring, and detailed survey work.
V-Line Pro
for DJI Matrice 4 series

Key features
70M Height
30 stories high with Lightweight Aviation Grade cable
1 app for all
Manage all tether kit parameters directly through the drone controller
easy setup
Compactly designed with weight less than 20KG and able to be setup and ready to fly in less than 5 minutes with only 1 person
Responsive smart tension
7m/s ascending and descending reel speed with minimum tether slack
one application for all
The V-Assist app enhances your ability to control and utilize your tethered drone system, offering robust monitoring tools for an optimized and versatile aerial operation. The app provides comprehensive remote tracking and monitoring essential parameters and statistics of your tethered drone system. Key features include real-time data on factors such as restricted flying zone boundaries and external wind speeds, ensuring that your drone operates safely and efficiently within the set environmental conditions.
At Volarious, we are committed to delivering high-quality products to our customers. We take pride in our meticulous approach to product development. Our team of engineers works tirelessly to ensure that every component of our product meets the most rigorous standards of quality and performance.
We also focus on optimizing every feature to enhance operational safety and efficiency. Our goal is to provide you with a product that not only performs at the highest level but also ensures a safe and reliable experience during use.
SAFETy architecture
Advanced Thermal control
System automatically sense the internal temperature at each location of the V-Line Pro with 6 temperature sensors and adjust all 9 fans speed automatically.
BUILT-IN PROTECTION
The tether system is guarded by an Over Current Protection and Short Circuit Breaker for excess power that the equipment can safely carry.
active fault detection
All errors will be notified both on the V-Line Pro and the controller screen through the supporting app to ensure a quick response.
Precision Engineered MOdular Parts
All of V-Line Pro parts use high quality automotive/aerospace grade components. And the modular system simplifies the process of replacing any parts that need repair.
V-LIne pro specifications
V-Line Pro Tether System for DJI Matrice 4 Series
Dimensions: 470 mm x 365 mm x 190 mm
Net Weight: 17.6 kg
Input Rating: 110 - 120 VAC, 11 A. 220 - 240 VAC, 8 A. 50 - 60 Hz
Output Voltage: 380 VDC - 410 VDC Max Output Current: 3.5A
Operating Temperature: -10°C - 50°C ( 14°F - 122°F )
Maximum Tether Operating Range: 70 m (230ft)
DJI Matrice 4 Series Power Module
Dimensions: 230 mm x 72 mm x 60 mm
Net Weight: 450g
Input Voltage: 380-410 VDC Output Voltage: 15.0-16.0 VDC Operating Temperature: -10°C - 50°C ( 14°F - 122°F ) Backup Battery Details: Lithium Ion Rechargeable Battery
Frequently asked questions
What happens if the ground power is cut?
The drone battery will kick in and supply power to the drone. At battery critical level, the drone will auto land.
Will there be warranty? How long?
Yes there will be warranty for 1 year.How compact is it?
Its dimensions are 470 mm x 365 mm x 190 mm. Weights 17.6 kg and can be carried with one hand.How and where to view the tether system data?
Through the V-Assist app.
Will the tether cable be able to transfer data?
No, It is only use for power supply purpose.When and where can I make the order?
Through our dealers around the world.