Features 1、It is a no-volt-release type of switch, providing safety in the event of an interruption of power. 2、Convenient to use and very practical. 3、Not only waterproof, but also oil proof. 4、Self-locking for on push button, automatic resat for off push button. 5、✔ It is a no-volt-release type of switch, providing safety in the event of an interruption of power. 6、✔ Convenient to use and very practical. 7、✔ Not only waterproof, but also oil proof. 8、✔ Self-locking for on push button, automatic resat for off push button. Specification "O" pushbutton is self-locking, "I" pushbutton are automatic reset. Designed with water proof cover on double buttons for starting and stopping your equipment. Features: It is a no-volt-release type of switch, providing safety in the event of an interruption of power. Not only waterproof, but also oil proof. Convenient to use and very practical. Self-locking for on push button, automatic resat for off push button. Specifications: Color: black Rated voltage: AC 220/380V Rated current: 10A Operation cycle number: 50000 Protections level: IP54 Item size: 90 * 56 * 48mm / 3.5 * 2.2 * 1.9in Package size: 90 * 60 * 50mm / 3.5 * 2.4 * 2.0in Package weight: 89g / 3.1ounce Package list: 1 * Switch Package List 1 * Switch