– Onboard square USB interface for stable connection
– Use high performance USB control chip
– Use genuine Songle relay
– Military grade PCB board production
– PCB size: 56.5 x 24.9mm
– Fixed hole size: 3mm, fixed hole center moment: 52.2 x 20.6mm
– The relay is a 5V Songle relay, the relay can control within 250V, 10A AC load and 30V, 10A DC load.