Product Name: Cordless Screwdriver Model No: KCS511 Features: 1) Voltage: 4.8V 2) No-Load Speed: 180 r/min 3) Charging Time: 5~7 hours Cordless Screwdriver Manufacturer in china,Cordless ScrewdriverSupplier in china, Cordless Screwdriver Factory in china, Cordless Screwdriver Exporter in china