Professional Nail Drill Machine. Item No. CF-278 1.Input Voltage Range:AC110-120V,220-240V,50/60HZ 2.Output power supply scope: DC2-15/18V 3. Packing Carton Size: 435mm*260mm*500mm/10pcs 4.N.W:17.5kg/carton; G.W: 19kg/carton Item No. CF-700 1.Input Voltage Range:AC100-120V,220-240V,50/60HZ 2.Output power supply scope: DC1.25-17V 3. Packing Carton Size: 520*300mm*480mm/24pcs 4. N.W:25kg/carton; G.W:27kg/Carton Item No. CF-24 1.Voltage: 110V-220V 60Hz/50Hz 2.Maximum speed: 18,000 RPM 3.One CF-24 Contains: Mini Polish Nail Machine 1pc Transformer 1pc Diamond bits 5pcs 4. Packing Carton Size:440*305*260mm/24pcs 5. N.W:8.5kg/carton; G.W: 9.5kg/Carton