YET845-V5.0 rolling shutter controller board [e-mail]

Features:
1/4 key mode
Running time setting: 10-240 s
Auto-close delay time setting
Over current protect:0.5A-5A
Flash light connector
External switch connector (choose)
Limit switch
External button connector
Tech data
Frequency:433.92MHz
Voltage: 100-220V AC
Memory: 400 buttons
Size: 122*77*40mm