Are you looking for a professional but motorcycle battery voltmeter? Are you looking for a sturdy, reliable tool that can do multiple tasks at once? If it is, no longer look for it! Our mini motorcycle battery voltmeter must meet your needs. This is one of your . Features -Color: Red, Green, Yellow, Blue. -Material: Aluminum, Rubber, LCD, PCB. -Size: About 3.00X1.20X0.85cm/1.18X0.47X0.33inch. -Working voltage: 4.0~4 . -Detection voltage: 0.0~ . -Working current: <20mA -Display mode: 0.28" . -Dimensions: 30×11.7×9.2 mm. -Installation cut-out: 23×10 mm. -Measuring rate: >=200mS/time. -Measurement accuracy: 3‰. -Low working voltage: +4. . -Maximum working voltage: +4 . -Working temperature: -10~+65 degree centigrade. -Working humidity: 10~80% (no condensation). -Working air pressure: 80~106kPa. -It is made of safe and durable materials and has a longer service life. -The design is reasonable, simple and practical, so that you can easily check the battery voltage. -The installation method is very simple, with a simple application method, you can use it easily. -Small size, light weight design, easy to store and carry. -It is made with craftsmanship, accurate and practical, and will be your good choice. Package list: 4 x Voltmeter Gauges