11. The button will lock and the switch is on after you release your hand; when you press again, the switch will reset and off. 22. With LED power indication light. 33. Solid metal outer casing, durable with long service life. 44. IP65 waterproof and dustproof, stable and reliable. 55. This switch can be used for circuit control in electromagnetic starter, contactor, relay, etc. Features: 1. The button will lock and the switch is on after you release your hand; when you press again, the switch will reset and off. 2. With LED power indication light. 3. Solid metal outer casing, durable with long service life. 4.IP65 waterproof and dustproof, stable and reliable. 5. This switch can be used for circuit control in electromagnetic starter, contactor, relay, etc. Specification: Model: BEM-16-11DS Operation type: Self-locking type Mounting size: 16mm Head shape: Flat head ring light LED voltage: 12VDC LED color: Red / Blue / Green (Optional) Wiring method: 5-pin Switch combination: 1 normally open +1 normally closed +1 common (NO+NC+C) Housing material: Brass nickel plated Housing color: Silver Waterproof and dustproof rating: IP65 Package Weight: 650g (approx.) Package List: 40 x Push Button Switch