Specification Feature:waterproof:yesHigh quality lithium batteryLED Display:Battery percentage reminder, charging reminder, washing reminder, travel lock reminder,stall protecttioncarbon steel bladeUSB charger modelcarbon steel bladeattachment Combs:3/5/7mmWork:Cord/cordless Type: RechargeableUsage Time: 60-90 minsCharging Time: 2 hoursVoltage: 100-240V,50/60Hz