Welcome to our store! High-quality two-wire 3.0-30V DC voltmeter, practical and durable. Sealed waterproof plastic shell with a foldable design, durable and convenient. 0.28-inch digital LED display, convenient for reading data. High precision, reverse protection. Automatically moves the decimal point. Features: High-quality two-wire 3.0-30V DC voltmeter, practical and durable. Sealed waterproof plastic shell with a foldable design, durable and convenient. 0.28-inch digital LED display, convenient for reading data. High precision, reverse protection. Automatically moves the decimal point. Specification: Material: Plastic Weight: 10g / 0.35oz Input Voltage: 3.0-30 (V) Measuring Voltage: 3-30V Output Voltage: 3.5-30 (V) Low Operating Voltage: 3.5v High Operating Voltage: 30V Operating Current: less than 30mA Measurement Speed: 200ms/time Operating Temperature: -10℃ ~ 65℃ Measurement Accuracy: 3% Display: 0.28-inch LED digital tube Operating Humidity: 10-80% (no condensation) Working Pressure: 80~106kPa Display Color: Red, Yellow, Green, Blue (Optional) Package List: 1* LED Digital Voltmeter 1* Cable Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!