Generally 10 to 15 minutes. Each probe must be used with products, essential oils, lotions, creams and gels are all OK, and the probe should not be burned dry. The power of the instrument is 60 watts. 

Yes, all machines can be customized with your logo or other branding upon request. Other design requests are also welcomed. MOQ may apply. And, If you need a machine with functionality that is not shown on our website, please contact us and ask our customer service for a quote. 

Yes, we offer full and partial refunds depending on your situation. For more information on our refund policy, please ask us. 

Yes, we offer free express shipping to many countries including the USA and Australia with a $30 minimum. 

To protect your investment, we offer lifelong technical support and an enhanced warranty, which covers main machine & replacement parts for 1 year from the date of delivery. All our machines are under strict quality control. Technical solutions will be offered to you asap if any technical problem is reported. Free replacement parts will be offered asap if any parts problem, and the replacement parts will 100% fix the problem.