【Preferred Material】Our outdoor waterproof electrical box is made of high quality sturdy ABS. The 3 way waterproof electrical box is safe to use. It can play a good role in moisture and dust resistance and is very strong and durable. Waterproof junction box construction, safe for use in the sun, rainy or snowy days. 【Easy to Install】This waterproof junction box size is 110*90*46mm, external electrical boxes provide plenty of space inside to accommodate cable diameter between φ5.5-10.5mm. (Ideal for 2.5mm T&E flat cable), very easy to install. 【Exquisite Design】An outdoor waterproof junction box features a rubber gasket with 3 matching terminals and 1 nail in each corner, which makes external connection easy and solder-free, no need to cut the cable. With the proper size rubber sealing ring, the outdoor waterproof electrical junction box can be completely sealed and protected from water. 【Main Function】This outdoor waterproof junction box is mainly used for 3-way connection of outdoor