Q: Is there a rechargeable battery pack for the metal detector or an AC adaptor you can plug into it.
A: Yes, it should come up under zinc.
A: They only work outside because of the different metal variables found in your flooring.
A: 24 hours of continuous use.
A: Yes, but do not mix rechargeable batteries with alkaline batteries.
A: Adjust the sensitivity to the highest setting to get the maximum depth of 10 inches.
A: To calibrate your metal detector to the ground you're scanning.
A: No, you can only use the internal battery compartment.
A: Yes, you will get a different depth reading if you are scanning in sand versus rocks or caliche.
A: Yes, water resistant, but not waterproof.