Specifications:The light source is soft, bright, non-glaring and long lasting.With waterproof sealing ring, the waterproof grade reaches IP66, so the waterproof performance is excellent.The equipped PC flame retardant base is very safe and reliable to use.It can be used in battery cars, automobiles, machinery and other equipment.This is a self-reset switch, when you press the button, the switch is on, while when you release the button, the switch is off.Item Name: Self-Reset SwitchMaterial: Metal, SiliconeStyle: A Type: Ring, B Type: Power SupplySwitch Voltage: 1.5V-250V AC/DCWaterproof Rating: IP66LED Voltage: 3VDC-220VACProtection Level: IK10Lamp Life: 40000 HoursWork Form: Self-ResettingWorking Environment: -30 Degree Celsius to 80 Degree CelsiusMechanical Life: Self-Reset/500,000 TimesNut Torque: 5-14N.mContact Resistance Value: Less than and Equal to 50mButton Pressure: about 2.5-3NInsulation Resistance: More than and Equal to 1000mCompressive Strength: 1900VACminConnection Method: Soldering FeetProduct Certification: CD ROHSFeatures: Waterproof, High Brightness, Long Service Life, Durable, Self-ResetSize: 3.5cm x 1.9cm x 1.9cm/1.38" x 0.75" x 0.75" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Self-Reset Switch1 x Rubber Ring