Most pulse generators are shipped within one business day of payment. Please allow 5 to7 extra business days for orders paid with personal and company checks. Techrecovery accepts major credit cards for payment on your pulse generators including, Master Card, Visa, and American Express. Payment for items can be made directly with Techrecovery over the phone. Our Phone number is 1-877-TestUSA or (1-877-837-8872) Outside the United States call 401-738-5201. Payment transactions for your pulse generators can be handled Monday through Friday 9am to 5pm. Our standard 100 day warranty and 10 day right of return insures that you are completely satisfied with your purchase. Please have your credit card ready when you call.