ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch sold2025 stretchableto prevent distortion

stretchableto prevent distortion

F1TZ13550A

use the cleaning cloth to wipe the prism and storage

easy to install and convenient for home/office use

ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch sold2025 stretchableto prevent distortionALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch Features: 1. The channels are optically isolated, safe, reliable, anti interference. 2. Transistor drive to increase the relay coil control pins high impedance. 3. The control pin has a pull down circuit to prevent malfunction relay vacant. 4. Simple relay magnetic circuit to meet low cost of mass production. 5. Widely used for Domestic