IP67 GRADE: Upgraded Installation-free black rubber sealing ring, IP67 waterproof grade, which means dust-tight and protected from moisture challenges up to jetting water, keep all your electrical equipment Safe & Dry. It is widely used for both indoor and outdoor applications or projects. Specifications: 1 * electrical junction box,outer size:3.94" x 2.68" x 1.97", 1 In /3 Out cable interface 1 * 15A 600V 8 P terminal strip; 4 * M16 cable glands,suitable cable wire diameter: 4~8mm. Sturdy for Years: Made of high quality ABS plastic which has longer serve time and superior in impact resistance. Durable junction box can offer well protection for your projects in outdoor. Easy to Install: The junction box comes with some cable holes and some cable glands, You can start DIY your project as soon as you receive the goods, saving a lot of trouble and completing your project faster and more conveniently. And The junction box with wall fixed ear on the bottom, easy to be installed on the wall. Ideal for electronic projects, instrument enclosure, power supply units, temperature controller box, communications,etc keep all your electrical equipment Safe & Dry. It is widely used for both indoor and outdoor applications or projects.