ITEM NAME:12-60V Lead Acid Battery Capacity LED Indicator Digital Voltmeter Tester hv2n Product Description Description: Features: 1. Working Current: 5-15mA, the lower battery voltage is, the lower current. 2. Eight Power Resolutions: 10%, 25%, 40%, 50%, 60%, 75%, 90%,100%. 3. Voltmeter Range: DC 12-60 V 4. Voltage Meter Accuracy: 1% 5. Operating Temperature: -10℃ ~ +65 ℃ 6. Working Humidity: 10 ~ 80% ( no condensation ) Specifications: Size: 47 * 28 * 22mm/1.85*1.1*0.87" Shell material: plastic Included: 1 X Voltmeter tester.Eight Power Resolutions: 10%, 25%, 40%, 50%, 60%, 75%, 90%,100%. Working Humidity: 10 ~ 80% ( no condensation ). Size: 47 28 22mm/1.85 1.1 0.87". If item is defective after 3 months, you can still send it back to us.