BestTong ABS Plastic Junction Box, Dust-Proof Waterproof IP65 Electrical Enclosure Box - Universal Project Enclosure Grey 9"x5.9"x3.3"(230mmx150mmx85mm) ABS plastic waterproof sealed electrical enclosure switch Junction box External Size: 230 x 150 x 85mm/9" x 5.9" x 3.3"(L*W*H); Internal Size: 220 x 140 x 75mm/ 8.7" x 5.5" x 3"(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.