Invenio Pro vs Delta 4000
| Nokta Invenio Pro | Teknetics Delta 4000 | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 5, 14, 20 kHz | 7.8 kHz |
| Frequency Type | — | — |
| Frequency Tech | Multi-Select | Single Frequency |
| Weight | 5.0 kg | 1.0 kg |
| Price | — | — |
| Best For | Deep Treasure, Archaeology | Coins, Park |
| Waterproof | Yes | Yes |