
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 Nano2 Gas Detection System
Compact gas detection module for DJI Dock 2. Enables automated, remote hyperlocal detection & mapping of multiple gases.
Expert UK team · tailored advice · no obligation
Product dossier
Powerful Gas Detection Module
Sniffer4D Nano2
- Modular Gas Detection:
The Sniffer4D Nano2 base unit integrates up to four modules, allowing for versatile gas detection without compromising M3D/M3TD's obstacle avoidance functionality.
- Customisable Configurations:
Operators can configure various modules to suit specific needs, with parameters including TVOC, SO2, CO, NO2, O3, PM1.2, PM2.5, PM10, CxHy/CH4/LEEL, H2S, HCI, TSP/PM100, NH3, CO2, HCN, H2, PH3, CI2, O2, NO, HCHO, and Odour (OU).
- Tailored Solutions:
Contact heliguy™ to discuss compatible module set-ups tailored to your operational requirements.

Full specifications
Manuals & documents
Frequently asked questions
How do I store Sniffer4D Nano2?⌄
To store, keep the Sniffer4D Mini2 in an environment with clean air, keep the humidity between 20-75%, and keep the temperature between -1030 ° C. Avoid direct sunlight.
For transportation place the Sniffer4D Nano2 in its original carrying case to avoid falling after the mission.
Can I disassemble the Sniffer4D Nano2?⌄
All Sniffer4D Mini2 units are well-calibrated and strictly tested before delivery. Please
do not disassemble, adjust or modify its internal structure, and do not add other sensing modules.
Which drones are compatible with the Sniffer4D Nano2? ⌄
The Sniffer4D Nano2 is compatible with:
• DJI M350 and M300
• DJI M30 Series
• DJI M3E and 3T Series
Common questions
- What modules are available for the Sniffer4D Nano2+ multi-gas detection unit?
- What drones are compatible with the Sniffer4D Nano2+ methane gas detection module?