It is specially designed for the standard lamp with high stability ,high accuracy ,voltage and current adjustable 1. Voltage output range: 6V/12V/24V/50V2. Current output range: DC02.5A3. Current drift at full range: ±0.05% reading/8 minutes 4. Accuracy of A: ±(0.08% reading±0.02% range).. WL502 DC Power Supply For Standard Lamp