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| Skylink 4B-201 4 button transmitter |
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Features
- Features
- 4-button design for operating up to 4 swing door openers (toggle mode operation).
- Operates 2 swing door openers in Open / Close operating mode.
- Employs Skylink's rolling code technology.
- Easy to carry with keychain design.
- 12V alkaline battery included.
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