Raspberry Pi Expansion Board, 8-ch Relays

Brand Name: WaveshareDemo Board Type: ARMModel Number: RPi Relay Board (B)Supports: Raspberry Pi A+/B+/2B/3B/3B+Power supply voltage: 5VTrigger signal: 3.3V/5VRelay channels: 8-chContact form: SPDT-NO,NCClosed current: 6mA (per channel)Connector: screw terminal blockDimension: 232 * 72 (mm)Mounting hole size: 3.0mm