Product Features: 1 Operating voltage: Wide voltage DC 7-28V 2 Operating Current : Standby current 20MA, 1 relay open 55MA, 2 relays open 86MA, 3 relays open 125MA, 4 relays open 158MA 3 size 135*72*19mm(Only Board) 4 Weight : 96g(Only Board), 195g(with shell)
New ESP32 S3 Expansion Board WiFi MQTT IoT Sensors Relay ESS3B18
