1-Channel Optocoupler 5V Relay Module + Adjustable Hi/Lo Trigger - 5V Relay

Specification: Material: Circuit board Control signal: TTL Rated load: AC125~250V/10A, DC28~30V/10A Max. switch voltage: 250VAC, 30V Trigger Voltage: 0-1.5V (LOW); 3-5V (High) Trigger Current: 5mA Max. Current: 190mA Size: 50mm * 26mm * 18.5mm (1.9 inch *1.02 inch * 0.72 inch ) Input Connection: DC +: Positive power supply (VCC) DC-: Connect power negative ( GND) IN: Control the pick up of replay by low level or high level Output Connection: Left Connection: NO means Normally Open Middle Connection: COM means Common Right Connection: NC means Normally Closed High and Low Level Trigger Effective / Adjustable Trigger Mode (Low/High) High level trigger when the jumper cable connecting High to Short Circuit; Low level trigger when the jumper cable connecting Low to Short Circuit; LED Indicator Light: Power Indicator: Green Indicator of Relay Status: Red