Brand Name: Waveshare
Demo Board Type: ARM
Model Number: RPi Relay Board (B)
Supports: Raspberry Pi A+/B+/2B/3B/3B+
Power supply voltage: 5V
Trigger signal: 3.3V/5V
Relay channels: 8-ch
Contact form: SPDT-NO,NC
Closed current: 6mA (per channel)
Connector: screw terminal block
Dimension: 232 * 72 (mm)
Mounting hole size: 3.0mm