PS-305D VOLDER 30V 5A Digital Display Power Supply, Double pointer Adjustable Digital DC Power Supply Switching Power Supply Laboratory Test. Specification: Name: Strengthened Edition Digital display DC voltage regulator maintenance power supply Material: Iron shell Rated voltage:220-240V/AC ,50HZ Output voltage:0——30V(V) Output current:0——5A(A) Working humidity:30%-90% Display: Analog Version: strengthened Edition Storage conditions: -20℃-40℃