This digital voltmeter ammeter features multiple circuit protection including over-current, over-voltage, over-heat and short-circuit protection, which is safe to use. Designed with dual color LED display screen, this digital voltmeter ammeter is easy and convenient to read. Made of ABS, this digital voltmeter ammeter is eco-friendly and durable to use. The length of this digital voltmeter ammeter is 3.6cm and width is 2.5cm. This digital voltmeter ammeter is universal, which is suitable for 12-24V cars. Item Name: Digital Voltmeter Ammeter Material: ABS Input Voltage: 12-24V Voltage Measurement Range: 5-30V Current Measurement Range: 0-15A Features: Universal, High Precision, Safe Size Details: 3.6cm x 2.5cm/1.42" x 0.98" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Digital Voltmeter Ammeter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.