This is a model made of ABS, electronics, and copper materials. It has a reasonable design and practical functions. It can help you display battery capacity and voltage. It is and practical, and can detect voltage or battery status. This is a very battery level indicator that will bring you a good experience. Features -Color:Black -Material: ABS, Electronic, Copper. -Size: About 5.30X3.81X3.20cm/2.08X1.50X1.26inch. -Input voltage: 12V/24V. -Output voltage: ladder type digital display 5 (V). -Measuring range: 12-72 (V). -Ambient temperature: -30—85 ( degree centigrade). -Voltage measurement error: +-5%. -Waterproof rating: IP65. -It is made of ABS, electronic and copper materials, which can be durable for a long time. -The digital display and battery fuel gauge indicator can help you read easily. -It can be very well applied to various vehicles and will be your very good auto parts. -With power display function, it can well meet your needs and make you a practical small accessory. -The light display with different colors is very practical and a great battery level indicator. Package list: 1 x Electricity Meter