7 vs Sand Shark
| Golden Mask 7 | Tesoro Sand Shark | |
|---|---|---|
| Technology | VLF | PI |
| Frequency | 4, 14, 18, 44 kHz | N/A |
| Frequency Type | — | — |
| Frequency Tech | Multi-Select | Micro-processor PI |
| Weight | 1.4 kg | 2.0 kg |
| Price | — | — |
| Best For | Relics, Gold, Coins | Diving, Salt Water Beach |
| Waterproof | Yes | Yes |