Global compatibility and design Input: AC 100240V, 50/60Hz, 1A. Global input voltage range with a standard wall plug. Cable length: 5 feet. Safety, efficiency and reliability Material: ABS+PC flame retardant casing. Efficiency: VI energy efficiency class. Protection: Builtin smart chip to prevent overheating, overcurrent, overvoltage, and short circuit. Certifications: ETL, CE, FCC, RoHS approved. Quality assurance: 100% load tested; damage rate has always been kept within three thousandths. Compatibility and suitable uses This charger is suitable for LED light bars, speakers, electronic scales, light boxes, routers, juicers, humidifiers, security monitoring, air purifiers, and related devices. Important usage note Please confirm the output voltage of your appliance before using. Incorrect output voltage may cause the adapter to malfunction. Use scenarios Scenario 1: Powering LED light bars and speakers in a retail display or home entertainment setup with a single reliable charger. Scenario 2: Providing power to routers and light boxes for networking and security monitoring in home or office environments. Scenario 3: Supplying electronic scales, humidifiers, or air purifiers at home or in small offices for consistent operation.