Red Digital Voltmeter Measurement Range: the input voltage is suitable for a wide range of 5-130V, suitable for 36V/48V and 96V electric vehicle testing, do not worry about burning out the voltmeter due to excessive voltage Smart Voltmeter: The voltmeter adopts a fully enclosed casing, IP67 potting, and a fully waterproof design. Long-term immersion in water can still work normally without damage, more resistant to moisture, oil and vibration Scope of Application: The battery tester can be used to test the battery voltage of electric motorcycles, motorcycles, golf carts, cars, ships, RVs, ships, etc.; including: lithium battery lead-acid battery, lithium iron phosphate battery Optimization Upgrade: high precision; reverse polarity protection; automatic decimal shift, which can make the vo.