Features:_x000D_ _x000D_ High quality two-wire 3.0-30V DC voltmeter, practical and durable. _x000D_ Sealed plastic waterproof shell with folding design, durable and convenient. _x000D_ 0.28inch digital LED display, convenient to read data. _x000D_ High precision, reverse protection. _x000D_ Move the decimal point automatically. _x000D_ _x000D_ Specification:_x000D_ Material: Plastic_x000D_ Weight: 10g/0.35oz_x000D_ Input voltage 3.0-30 (V)_x000D_ Measuring voltage: 3-30V_x000D_ Output voltage 3.5-30 (V)_x000D_ Low operating voltage: 3.5v_x000D_ High working voltage: 30V_x000D_ Operating current: less than 30mA_x000D_ Measurement rate: 200ms/ time_x000D_ Working temperature: - 10 ~ 65_x000D_ Measurement accuracy: 3%_x000D_ Display: 0.28 inch LED digital tube_x000D_ Working humidity: 10-80% (no condensation)_x000D_ Working pressure: 80~106kPa_x000D_ Display color: Red, Yellow, Green, Blue (Optional)_x000D_ _x000D_ Package List:_x000D_ 1* LED Digital Voltmeter_x000D_ 1* Cable 1High quality two-wire 3.0-30V DC voltmeter, practical and durable. 2Sealed plastic waterproof shell with folding design, durable and convenient. 30.28inch digital LED display, convenient to read data. 4High precision, reverse protection. 5Move the decimal point automatically.