Weight:112g Dimensions:2.24in*0.67in*0.79in(5.7cm*1.7cm*2cm) Brand:N/A Model:N/A Quantity:1 Color:Black+Blue Material:PCB Voltage:5-7.5V Suitable Device:TLP521-1、HK3FF-DC5V-SHG Features: 1)It can output signal instruction 2)Can be output connecting with SCM 3)Strong disturbance resistance capability and light and optical isolation 4)Diod cyrrent protection 5)Time of reponse less than 20 seconds 6)Sorrounded by some fixed mounting holes. 7)Can control the load of 10A 250VAC and 10A 30VDC Packing List:1x Optical Coupling Isolation Relay Module