โวลต์มิเตอร์วัดไฟ แบต 5-28VDC วัดโวลต์ กันน้ำ Waterproof Display Digital LED Voltage Volt Gauge Voltmeter Car/Motorcycle

โวลต์มิเตอร์วัดไฟ แบต 5-28VDC วัดโวลต์ กันน้ำ Waterproof Display Digital LED Voltage Volt Gauge Voltmeter Car/Motorcycle Specification: Waterproof, Dustproof, Shockproof. Color: Red Simple connection, easy to use. LED Digital Voltmeter Display mode: LED Digital Panel Wire length: 95cm Wiring:-Red Wire: Power Supply +-Black Wire: Power Supply Maximum input: DC30.0V. Note: if the input voltage is higher than 30V, permanent damage may occur. Allowable error: ± 1%; when it is greater than or equal to 10V, the error is ± 0.3V; when it is less than 10V, the error is ± 0.10 Voltage Measuring : 5-28 VDC Product Size: 57.2mm*29.3mm*11.8mm（mm）/ 2.25" × 1.15" × 0.46" Operating Temperature: -10～+65℃（℃）