Features Great material and durable:The switch with ABS shell, high hardness, protective function for switch, durable, strong practicality, perfect tool for winch rooler door truck lift. Simple to operate:You can press up and down switch according to the arrows to start, press the red key to stop. Excellent workmanship:The momentary switch's waterproof grade IP32, excellent product performance, waterproof, dustproof, and anticorrosive. Wide applications:This self recovery button switch is ideal for for 3 way/4 way crane, rolling door control, etc. After-sales service:If you have any questions to our trunk tail lift switch, please contact customer service. Your satisfaction is our greatest motivation. Specification:Item Type: Momentary Switch Station Box Material: ABS Shell Application Scenario: Industrial Control Field Operating Current: 10 (8) A Working Voltage: AC 400V~ (meaning below 400V) Waterproof Grade: IP32Size:SGKJ-3N: Approx. 13.5 x 6.6 x 6cm/5.31 x 2.60 x 2.36inSGKJ-4N: Approx. 16.5 x 6.6 x 6cm/6.50 x 2.60 x 2.36in Package List:1 x Momentary Switch Station Box  Package List 1 x Momentary Switch Station Box