Feature: 1. STABLE WORKING PERFORMANCE: Better waterproof and corrosion resistant performance. Protect your instrument even in adverse conditions 2. SAFE MATERIAL: The main material ABS is a good plastic product, one of the most durable and impact resistant. Also relatively harmless, as the plastic material does not contain any known toxic carcinogens 3. COMMON AND UNIVERSAL: Plastic boxes such as switch control boxes are the most common and should be used with non metallic cable wiring. This 4 gang box is designed to hold an electrical device such as switch or socket 4. EASE OF USE: Plastic electrical boxes have advantages and disadvantages. Because it is plastic, there is no need to connect a ground wire on it. Being made of non conductive material, switches and sockets won't short out if they touch the side of box 5. MULTIPLE FUNCTIONS: Push button switch control box can be used in control station to protect push button switch. Suitable for industrial control equipment circuits that control electromagnetic starters, contactors, relays and other circuits (only boxes, excluding button switches). Suitable for electronic projects, power supply units, amplifiers, etc. Suitable for emergency stop rotary switch Specification: Item Type: Push Button Switch Control Station Box Material: ABS Style: 4 Gang Number of Buttons: 4 Buttons Mounting Hole: Approx. 22mm / 0.87in Operation Type: Hold(lock) Interface: Momentary button Use: Stainless steel cover mounting screws Ambient Temperature: Between -25℃ and 55℃ Protection Class: IP65. Package List: 1 x Button Cover1 x Button Box Base4 x Screw