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Description
BT004 16Amp 4 Channel Relay Module LCD Display 42 oz in (3 kg cm) und liquid level 42 oz in (3 kg cm) und 2 Can be used with an Arduino or Arduino clone (via shield headers) or other microcontroller boards (via the 0 NC and general contacts The module is powered by a 12 V supply
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
Frequently Asked Questions for BT004 - 16Amp 4 Channel Relay Module LCD Display 42 oz-in (3 kg-cm) und liquid-level
What should I check before asking to combine separate orders?
Do not assume orders from different sellers can be merged. Keep the seller's acknowledgment tied to both original references.
How can I keep a support request clear when several people respond?
Keep product and order references consistent throughout the discussion. Distinguish a suggestion from an action you have already approved.
How can I keep a useful record of a support chat?
Avoid storing unnecessary sensitive information in an easily shared file. Keep relevant attachments alongside the conversation when appropriate.
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