This isH0075 HK19F-DC12V-SHG High Level Relay. Made of high-quality material and with nice craftsmanship， it is up to standard that you could trustingly use it for quite a long time. It is suitable for microcontroller development board. This module can be used as household appliances control.What’s more，it also features strong driving ability. What is more， it is easy to install and safe to use. This relay is really good choice for you! How about buying one for your daily use?                                    Features            100% new and in a normal working conditionEasy installation and operationHigh quality material， durable in useAn ideal choice for DIY makersCan be applied into various areas                                                            Specifications             Dimensions     0.79 x 0.59 x 0.35" / 2 x 1.5 x 0.9 cm (L x W x H)    <br> Weight     1.06 oz / 30 g    <br> Color     Yellow    <br> Quantity     5Pcs    <br> Output Voltage     DC5V     <br>                                                             Package Includes            5 x Relays<br>