Saim ABS Plastic Waterproof Electronic Project DIY Junction Box Enclosure Case 158mmx90mmx46mm 2Pcs Surface Mounted, waterproof sealed plastic electrical enclosure switch Junction box. External Size: 158 x 90 x 46mm/6.2" x 3.5" x 1.8"(L*W*H); Internal Size: 150 x 80 x 36mm/ 5.9" x 3.1" x 1.4"(L*W*H) This junction box provides complete protection against dust and splash water, the Ingress Protection Rating is: IP65 Certain modification can be done according to your requirments; such as drilling, painting, punching, silk-screen printing and etc. Great for electronic projects, power supply units, student projects, amplifiers, etc.