
50-day return policy⌄
- Return within 50 days of purchase.
- Full refund for unopened, sealed, unactivated items.
- Opened products may still qualify if unused.
- For orders over £100, we can arrange your return via DPD or in-person drop-off.
Next-day delivery — order before 3pm⌄
- Order before 3pm Mon–Fri for next-working-day delivery (free over £99).
- UK Saturday delivery available on orders placed before 3pm Friday.
- After 3pm Friday — dispatched Monday.
- Some UK regions may need 2–3 working days.
Discounted options with main purchase⌄
- Bundle pricing on accessories, spares and training when bought together.
- Reduced rates on add-ons selected at checkout.
- Ask us for a tailored quote on multi-unit or fleet orders.
Sniffer4D Mini2 Gas Detection System
The Sniffer4D Mini2 is a hyper-local multi-gas detection and mapping system for DJI drones that can measure and visualise real-time 3D gas concentration distributions. It can be used for ambient air monitoring, HazMat response, and oil and gas plant leak detection. Deploy with DJI M350/M300 RTK, DJI M30 Series, including DJI Dock, and the DJI Mavic 3 Enterprise/Thermal.
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Product dossier
Multi-gas detection and mapping system
Sniffer4D Mini2 Key Feeatures
Detect up to 9 gas concentration distributions in real-time.
Seamless integration with DJI M350/M300 RTK Series, M30 Series, and Mavic 3 Enterprise/Thermal drones.
Compact body and ultra-lightweight - weighing between 250g and 300g.
Active air intake.
Built-in 3G/EDGE/GPRS.
Data retrieval algorithm.

Full specifications
Manuals & documents
Frequently asked questions
Which DJI drones are compatible with the Sniffer4D Mini2?⌄
The Sniffer4D Mini2 is compatible with the DJI M350 RTK, DJI M300 RTK, DJI M30 Series (including DJI Dock), DJI Mavic 3 Enterprise, and DJI Mavic 3 Thermal.
Which gases can the Sniffer4D Mini2 detect?⌄
The Sniffer4D Mini2 can detect up to 9 gases at a time. It can be customised for a user's needs.
Available parametres include: PM2.5, PM10, SO2, CO, NO2, O3, TVOC, LEL, CH4, CO2, HF, H2S, NH3, HCI, H2, Cl2, PH3, NO, HCN, Odour (OU), and HCHO.
Which applications are best supported by the Sniffer4D Mini2?⌄
Typical applications and configurations for the Sniffer4D Mini2 include:
• Oil and gas and pipelines.
• HazMat response.
• Landfill inspections.
• Ambient air monitoring.
• Greenhouse gases.
• Scientific research.
What are the benefits of using a drone for gas detection?⌄
Using drones for gas detection offers several advantages, including remote access to hazardous or hard-to-reach areas, real-time monitoring, reduced risk to human operators, and the ability to cover large areas quickly.
View our range of drone gas detection modules.