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1. Working current:5-15mA(The lower the battery voltage and current smaller)
2. Eight electricity Resolution:10% 25% 40% 50% 60% 75% 90% 100%
3. Voltmeter accuracy:1%
4. Working temperature: -10 ~ +65?
5. Operating Humidity: 10 ~ 80%
6. Dimensions: 48*29*21 mm

• Battery voltage is greater than 11.1V, 1 led indicator is lit.
• Battery voltage is greater than 11.3V, 2 led indicator is lit.
• Battery voltage is greater than 11.6V, 3 led indicator is lit.
• Battery voltage is greater than 11.9V, 4 led indicator is lit.
• Battery voltage is greater than 12.2V, 5 led indicator is lit.
• Battery voltage is greater than 12.5V, 6 led indicator is lit.
• Battery voltage is greater than 12.9V, 7 led indicator is lit.
• Battery voltage is greater than 13.3V, 8 led indicator is lit.