1Durable Material: The power outlet box is made of premium material, high temperature resistant, wear resistant and durable, having a long service time. 2Good Electrical Conductivity: The Rv power socket has built in pure copper components, good electrical conductivity, easy to plug and unplug. 3Easy to Install: The under grille trim has a simple open hole insert installation, convenient and time saving, don't need too much tools or complicated steps. 4Release Rod: The electrical outlet box can lock the wire to prevent accidental removal, and the release rod can easily remove the cable. 5Perfect Protection: The external protection level of the electrical power box is IP44, and the back protection level is IP30, ensuring the safe use and operation, suitable for Rv, waggon trailer.