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. Outer Size of electrical enclosure: 6.30" x 4.33" x 1.97"(160 x 110 x 90 mm) Durable 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 Use: The electrical junction box is easy to operate and repair, no cable cutting, more convenient.moisture proof, sunscreen, anti-corrosion, durable for years use Ideal for electronic projects, instrument enclosure, power supply units, temperature controller box, communications, fire fighting equipment,etc