Air vs Golden uMax
| Quest Air | Tesoro Golden uMax | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 10 kHz | 10 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Single Frequency |
| Weight | 0.9 kg | 1.0 kg |
| Price | — | — |
| Best For | Travel, Casual, Coins | Coins, Jewelry |
| Waterproof | Yes | Yes |