I WANT 3V BUTTON CELL MODULE FOR FAIRY LED STRING Light Source:LEDCertification:EMCWarranty(Year):1-yearPower Supply:BatteryInput Voltage(V):3vWorking Lifetime(Hour):2-3monthsBrand Name:DYProduct Type:LED light displaySize:30*28mmColor:white, warm white, blue, greenBattery:CR2032Switch:YesLED:OneWaterproof:NoBattery Life:2 monthsUsage:Display Decoration