BestTong Waterproof Dust-proof IP65 ABS Plastic Junction Box Universal Electric Project Enclosure 290mm x 210mm x 100mm(11.4"x8.2"x3.9") Waterproof sealed ABS plastic electrical enclosure switch Junction box Total Size: 290 x 210 x 100mm/11.4" x 8.2" x 3.9"(L*W*H); Internal Size: 280 x 200 x 93mm/ 11" x 7.8" x 3.6"(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.