Features Accurate Voltage Readings: Provides real-time voltage measurements from 4-30V, ensuring precise monitoring for your electronic devices and battery systems Durable and Reliable Design: Constructed with high-quality materials, the sturdy shell protects against damage and ensures long-lasting performance Enhanced Safety Features: Equipped with reverse connection protection to safeguard your devices from potential electrical mishaps and short circuits User-Friendly Interface: The bright blue backlight on the LCD display allows for easy reading in low-light conditions, making it convenient for any environment Simplified Installation: The two wire design allows for direct connection to the battery, simplifying the setup process for quick and efficient voltage testing Features: 1、100% and . 2、Made of chip, stable performance. 3、The external shell can prevent it from damage 4、It has the reverse connection protection function 5、Two wire design, can directly test the battery Specification: Features: 1. 100% and . 2. Made of chip, stable performance. 3. The external shell can prevent it from damage 4. It has the reverse connection protection function 5. Two wire design, can directly test the battery Specification: Condition: 100% 2-Wire Working Voltage: 4.0-30V Working Current: between30mA 2-Wire Detection Voltage: 4.0-30V Display Mode: LCD Blue Screen Backlight Measurement Accuracy: 3% Working Temperature: 10 - 65℃ Measurement Rate: ≥200ms/Time Overrange Display Automatic Conversion Of Decimal Point: Within 10V Detection Voltage, Two Digits After Decimal Point Display, Detection Voltage Above 10V, One Digit After Decimal Point Display Weight: Approx. 35g / 1.2oz Package List: 1 * Digital Display Voltmeter 1 * Cable Package List