IP68 Waterproof And Dust Protection- Made of high quality material, rubber grommets design. High temperature resistance,safe and durable for use. LightingWill IP68 waterproof junction box can be widely used for LED landscape lights, LED underground lights, pond lights, and outdoor power connection Junction Box Dimensions - 100 x 84 x 43mm , the box has an ample space inside for wires with the diameter ranging from 6-10.2mm