Features: 1. Precise cut and interface ensure perfect applicability, suitable for installation location and easy to install. 2. The product adopts high-quality materials, effectively avoiding corrosion and wear, durable to use. 3. Professional chip set provides excellent performance in the system. 4. Easy to operate, anti-aging and long service life, you can use with confidence. 5. This meter is suitable for 12V-72V battery car, lithium battery, polymer battery, nickel metal hydride battery, and for other power or voltage measurement, not suitable for large trucks, cranes, forklifts and other high-power vehicles. 6. Double electricity and voltage display at a glance, more intuitive, voltage meter decimal point automatic shift, higher precision. 7. Wide range of use, applicable to lithium battery set, lead acid, automobile battery, electric vehicle battery, and other electric equipment. 8. The meter can automatically identify voltage and electric quantity, with function of reverse connection protection. Specification: Item Type: Voltmeter Operating Current: 5-18mA Refreshing Speed: About 480ms once Lead Length: Approx. 20cm/7.9in Operating Temperature: -10℃-65℃ Product Size: Approx. 4.8x3x2cm/1.9x1.2x0.8in Color: Blue, Red (optional) Package List: 1 x Voltmeter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1、Precise cut and interface ensure perfect applicability, suitable for installation location and easy to install. 2、The product adopts high-quality materials, effectively avoiding corrosion and wear, durable to use. 3、Professional chip set provides excellent performance in the system. 4、Easy to operate, anti-aging and long service life, you can use with confidence. 5、Double electricity and voltage display at a glance, more intuitive, voltage meter decimal point automatic shift, higher precision.