Description
Highlights
- Note: This is just a wireless call button; not including the receiver host
- There is no limit to the number of call buttons in the receiving range
- The pairing is simple and easy to operate; the battery power supply time is long; and the call distance of the open space reaches 150 meters
- Has sticker, can be fixed on the table One key: Call
- Power: 12V23A battery (included)
- RF frequency: 433MHz
- Working chip: learning code
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