Dowsing Machine is an item in the “Gameplay” category (Key Items).
In-game descriptions
| Ruby / Sapphire · Emerald | A device that signals an invisible item by sound. |
|---|---|
| FireRed / LeafGreen | A device used for finding items. If there is a hidden item nearby when it is used, it emits a signal. |
| HeartGold / SoulSilver · Black / White · Black 2 / White 2 | It checks for unseen items in the area and makes noise and lights when it finds something. |
| X / Y | It searches for hidden items in the area and emits different lights and sounds when it detects something. |
| Sun / Moon · Ultra Sun / Ultra Moon | This high-tech machine shows the location of invisible items. It’s attached to the head when in use. |
| Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | A high-tech machine that shows the location of invisible items. It’s attached to the head when in use. |
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h