Pixel + Pixel Heavy 2 Wire Audio Only Electronic Unit Module W/4 x Back-Lit Call Buttons
Features:
ELVOX Pixel + Pixel Heavy 2WIRE Audio Only Electronic Unit Module w/4 x Back-lit Call Buttons (2 row) REX Button Input Electronic Lock Output (2WIRE Due Fili+ only) *REQUIRES BUTTON COVERS*
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Datasheet of ELV41000