Product deciption(Warning: No-load examine is illegitimate to stop electric shock. The no-load voltage is a digital price and the info is not accurate. Please connect with the lamp bead test) Power:30-50W Input voltage:AC200-240V Output voltage:DC80-100V Output recent : 460mA±5% Size:80*36*23mm No-load output voltage:DC210VPower:60-80Input voltage: AC200-240VLoad output voltage linked to lamp beads: DC80-120VOutput current: 600mA±5%Size: 80*36*23mmNo-load output voltage: DC315V (dangerous!)(No input line and output line)Warning: non-professional organization do not try! ! ! No-load confirm is against the law to stop electrical shock. No-load voltage is a digital value, And the information is not accurate. Seller reminds: When please connect with the lamp bead for testing, please solder the lamp board with a wire in advance, in some other case it is easy to burn the lamp bead and cause it to fail to light up.