The Bonsaii C209-D paper shredder is perfect for home office with high security. The machine can be used to destroy ATM receipts, credit card bills, pay stubs, and other unwanted documents. It will even destroy credit cards perfect for getting rid of expired or unnecessary cards to keep most of your confidential information safe. The machine will stop working once you lift the head for safe operation, the shredding begins automatically than ever once the sensor detects something to be shredded.