I like the product and how easy is it to use them and making a tight grip on the wires
12V 2CH Relay Board
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2 channel 12V relay module Relay outputs: NO: normally open relay interface COM: common interface relays. NC: normally closed relay interface Working voltage 12V High / Low-level changeable Fault-tolerant design, even if the control line is broken, the relay will not operate.
| Operating Voltage | 12V |
| Number of Channels | x 2 |
| Dimensions | 3 x 2 x 1cms |
| Weight | 5 grams |