The product information is as follows:
Name:5V 8-Channel Relay Expansion Board Module HAT Shield Kit for RasPi RPI RPI4 RPI3B Raspberry Pi Zero 2 W 3A 3B Plus 3
Features: Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
High quality relays, loads up to 5A 250V AC or 5A 30V DC
Photo coupling isolation, prevent interference from high voltage circuit
Standard rail mount bottom case
Onboard LEDs for indicating relays status
Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins
Reserved control Interface, allows to work with controllers like PLC
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: 23.2 x 7.2 cm
Color: As Shown
Material: plastic
Package Contents:
1 x Expansion Board
Only the above package content, other products are not included.
Note: Light reflection 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.