How much is it to set up SMS notification service for China Merchants Bank Card?

We can choose "SMS" and "E-mail" for the new notice (you can set the starting amount of the reminder and whether to display the balance). ① email notification is free; ② SMS notification to 3 yuan/month/card is free 3 months before the first opening (including the opening month). For customers with sunflower level and above (reduced by customer number), pension account, subsistence allowance account, medical insurance account and unemployment insurance account, SMS notification is free.