Red LED Panel Voltage Meter 3-Digital 0-100V Voltmeter Material Plastic + iron + PCB Specification Measurement range: DC 0~100v; 3-digit 0.36" LCD digital tube; Display color: Blue; Refresh rate: About 500ms per time; Power supply: 3.0~28V Ideal for electronics, Hobby, Raspberry Pi, Arduino experiment - We specialize in Electronics, Computer, Cell Phone, tablet, Camera, Professional Signal Conversion Devices, Networking, Security, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188