5V High / Low Level With Trigger Opto-isolator 4 channels Power relay modul

Product Name: 5V High / Low Level With Trigger Opto-isolator 4 channels Power relay module
Coil voltage: DC 5V
Machining Type: High / Low Level With trigger
Total Size: 43 x 30mm / 1.7 x 1.2 inch (L * W)
Material: Plastic, metal
Color: Red
weight: 60 g
Package: 1 x 5V High / Low Level With Trigger Opto-isolator 4 channels Power relay module

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm