1. The voltage should not exceed 10% of the standard voltage.<br>2. The heating part must be close to the object to be heated. Do not dry burn the non dry burning tube!<br>3,。 The equipment shall be grounded with leakage protector.<br>4. This product is easy to be affected by moisture and will be automatically repaired after heating! Please take good care of it to prevent dry environment!<br>
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