COB-31 Up-down Pushbutton Crane Hoist Switch , Waterproof, COB Hoist Push Button Switch China. Remote controlling of start-stop electrical machines, widely used in mechanical equipment, electric hoist, and textile machinery. Specification: Item Type: Switches Certification : CCC Certification : CE Features : Waterproof Switch Type: Push Button Switch Warranty : 3 years Model Number: COB-31 Total Size: 11.4 x 6.5 x 6.4cm Action Type: Momentary Push Buttons: 2 Ways: Up Down Hoist Crane Protection Level : IP65 Resistance of electric shock: ≤50mΩ Package includes: 1 x COB-31 Up-down Lifting Crane Push Button Switch, waterproof