Air vs Delta 4000
| Quest Air | Teknetics Delta 4000 | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 10 kHz | 7.8 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Single Frequency |
| Weight | 0.9 kg | 1.0 kg |
| Price | — | — |
| Best For | Travel, Casual, Coins | Coins, Park |
| Waterproof | Yes | Yes |