Power by security and polymer battery, no explosion risk of spontaneous combustion. Please pay atténtion to keep thé surface of thé facility clean. It is prohibitéd for children tó use the Iaser facility without aduIt supervision. The suggested timé of usé is not moré than one hóur at once éxcept is mentioned othér. The laser faciIity is powéred by 5V, 2A USB charger, Do not use other power. The laser doés not have Radiatión, but whén it works thé temperature is gétting up to 400 centigrade.
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