Meti relay manual

This relay module has two channels (those blue cubes). There are other models with one, four and eight channels. This module should be powered with 5V, which is appropriate to use with an Arduino. Flush 2 relay home automation pdf manual download. Also for: Zmnhbd2, Zmnhbd3, Zmnhbd1, Zmnhbd5, Zmnhbd6, Zmnhbd7, Zmnhbd8, Zmnhbda, Zmnhbdb, Zmnhbd9, Zmnhbdc, Zmnhbdd