A secured credit card is a wonderful option for anyone who has poor credit and needs to find a way to be able to use a card when they go to the store. These cards are typically secured with some kind of cash deposit, similar to the kind of cash deposit that you would put down when you move into an apartment.
In most cases, the amount of cash that you have to put down right away is going to be the same as your original credit limit. Once you have shown your ability to make your monthly payments, you will sometimes have the ability to raise your credit limit now and then.
Read the full presentation here https://www.slideshare.net/newhorizonorg/secured-credit-card-how-good-it-is