Style: 50V 5A, 100V 10A 100% Brand New & High Quality. Size: As shown Name: Voltage and Current Power Meter Package Included: 1 pc LCD Digital Voltmeter Ammeter [DC 0 -50V 0 -5A 0 -250W Test Meter] Measurement Range: Simultaneous display of voltage and current Voltage Measurement Range: DC 0-50V Current Measurement Range: 0-5A Power Measurement Range: 0-250W Voltage Error Range: ±1% (Adjustable) Current Error Range: ±1% (Adjustable) Power Error Range: ±1% (Adjustable) Update Frequency: 300ms/Times Display Method HTN LCD: 3 lines of 3 digits Customized or Not: YES Voltage Supply: DC 7-12V Working Current: <15mA Working Temperature: -10-60°C [DC 0 -100V 0 -10A 0 -1000W Test Meter] Measurement Range: Simultaneous display of voltage and current Voltage Measurement Range: DC 0-100V Current Measurement Range: 0-10A Power Measurement Range: 0-1000W Voltage Error Range: ±1% (Adjustable) Current Error Range: ±1% (Adjustable) Power Error Range: ±1% (Adjustable) Update Frequency: 300ms/Times Display Method HTN LCD: 3 lines of 3 digits Customized or Not: YES Voltage Supply: DC 7-12V Working Current: <15mA Working Temperature: -10-60°C