1. Operating circuit rating: 4v 6v, 35ma 2. Insulation resistance: 20m ohm or more at 25v dc 3. Dielectric withstand: 250v rms (50 60hz 1min) 4. Contact bounce: 30ms or less 5. Actuation force: 15 150g 6. Life expectancy: 5, 000, 000 closures 7. Surface hardness: 3h or more 8. Light transmission: 75 90% 9. Operating temperature: -10 +60fpc 10. Storage temperature: -20 +70fpc 11. Humidity: 90 95% (40fpc) for 240h