Waterproof 12V-24V Car Boat Motorcycle LED Digital Voltmeter Ammeter Auto Round Voltmeter Voltage Current Meter Meter -- Waterproof 12V-24V Motor Car Digital Voltmeter Car Ammeter Voltmeter Voltage Current Meter Meter Product Advantages1. LED voltmeter, showing the current battery voltage, can detect voltage conditions at any time to prevent accidents. 2. LED ammeter, can be connected to any electrical equipment above, concerned about the use of electric current at any time. 3. ABS anti-flame-friendly materials for high temperature environment, high-end atmosphere, safe and durable, longer life. Product material: ABS Hole diameter: 3cm Input voltage: 12-24V Output voltage: 12-24V Suitable for models Motorcycles, cars, RVs, boats, SUV, etc Voltage detection range: 6-30V Installation TipsThe positive product connects the positive power and electrical appliances, the negative power line of the product, the middle line of the product connects the negative line of electrical appliances.Tips1. Battery voltage in real-time monitoring make the battery used in normal working voltage, prolong and protect the battery and motor.2. Motorcycles under normal conditions, the voltage is above 12.5V is normal.3. Motorcycle starting, generator voltage normal value 13.5v-14.5v, voltage is too high or too low are faulty, workshop repair is recommended. Package includes: 1PC x LED voltmeter motorcycle