This is not an ordinary juicer. It does not come need any electricity to operate as it is a manual juicer. Unlike electric-operated juicer, the sharp blades of those will often cause fruit juices to oxidise and lose much vitamins during the process of juice extraction. However, our this recommended product will maximise and retain juice vitamins instead and separate the pulp the juice instantly. Example of the amount of juice can be seen from the picture, where one celery can be squeeze to have the amount of celery juice in the glass bottle.