Description:The up and down cover seams are designed to be waterproof.Made of Aluminum material, stronger than those ABS push button switch boxes, as well as good appearance.Pre-open holes for your DIY projects, the holes could be compatible for 16mm switch button.A closed PG cable gland hole is reserved at the 2 ends of the push button station box, which can be opened according to your wiring demands.Application:The electronic box is widely used for mechanical equipment control, such as potentiometers, toggle switch, stop button, push button switch and so on.Specification:Feature: with mounting baseAccessory: a PG7 cable glandButton Hole Diameter: 16mmButton Hole Count: 5Closed Hole Diameter of 2 Ends: approx.12mm, compatible for PG7 cable glandWire Range for PG7 Cable Gland: 3mm - 6.5mmMounting Size of Base: 4.5mmThickness of Aluminum: 1.2mmInner Size: 183 x 31 x 42 mm / 7.20 x 1.22 x 1.65 inch (L*W*H)Overall Size: 222 x 45 x 50 mm / 8.74 x 1.77 x 1.97 inch (L*W*H)Package Content: 1 x Push button Switch Box