Battery Specification :4.8V/800mAh nickel-cadmium battery Charge Specification : 6V DC 100mA Power : Motor model 360 DC 4.8V/3W Cork Size : Batween Ф19- Ф22 mm Accessories : Foil cutter , Adaptor, ccharging base It need to be charged for 12 hours before use; normal charging time:6 hours blue light display which charging and using it can open 30pcs bottles per charging Product size : 25.5×5.3cm Product Weight : 900g