Description This project is a motorcycle battery mini voltmeter made of high-performance materials. It has a long service life, professional and durable, and can serve us well. It is made with excellent craftsmanship, the product has good stability, high measurement accuracy, and can serve you well. This is an excellent measuring tool for monitoring the battery voltage and grasping the battery voltage status in time. It will serve you well. Features -Color:Red, Green, Yellow, Blue.-Material: Aluminum, Rubber, LCD, PCB.-Size: About3.00X1.20X0.85cm/1.18X0.47X0.33inch.-Working voltage: 4.0~40V.-Detection voltage: 0.0~100V.-Working current: <20mA-Display mode: 0.28"LED.-Dimensions: 30×11.7×9.2 mm.-Installation cut-out: 23×10 mm.-Measuring rate: ≥200mS/time.-Measurement accuracy: 3‰.-Low working voltage: +4.0V.-Maximum working voltage: +40V.-Working temperature: -10+65.-Working humidity: 1080% (no condensation).-Working air pressure: 80106kPa.-Preferred materials, good quality, safe, durable and practical.-This voltmeter has the smallest volume, with a range of DC 0-100V, which can better serve you.-This is a great product to replace old or damaged motorcycle battery voltmeters.-Stable and practical, professional and durable, it will be your excellent choice of monitoring tools.-Cost-effective, you can buy these practical products at an affordable price.Packing list: 4 x Voltmeter Gauges