Kaeltsyn USB Load Tester with 4 Digital LED Display for Voltages Current and Power Measurement Multiple Protocols

Works with various port styles including standard USB, small USB, and modern USB interfaces, making it ideal for examining power adapter durability, cable execution, and confirming power transmission requirements across different digital accessories Features an intelligent thermal control structure with aluminum cooling factors that automatically activates during prolonged high capacity usage to maintain stable functioning and heat related issues Equipped with a 4 segment LED screen that accurately tracks and displays live electrical readings including potential difference, energy transfer, and consumption indicators without additional instruments This USB power measurement device accommodates multiple power standards including common industry protocols, enabling progressive output verification at 5V / 9V / 12V / 20V ranges for comprehensive device analysis Contains temperature, potential regulation, and power restriction features that automatically disengage when reaching predetermined thresholds, safeguarding both power supplies and attached devices