1、INCLUDED PARTS: Including the upper cover and base of the button box, and equipped with mounting screws, simple in structure, easy to install and remove. 2、PLASTIC MATERIAL: The waterproof button switch box is made of ABS and PC plastic, with good toughness, wear and aging resistance, has a long service life. 3、MULTIPLE USAGES: Can remotely control AC contactors, electromagnetic starters or relays, with stable performance and a wide range of applications. 4、APPLICABLE SCENES: This push button control box set is widely used in automatic door openers and exit buttons, etc., suitable for large outdoor push buttons. 5、EASY TO INSTALL: The button switch box has standard hole diameter, which is easy to connect, rainproof and no leakage, safe and reliable in operation.