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V40D Dual-Wire 1.2 LED 3-Digital DC Voltmeter Module w/ Reverse Voltage Protection - Black (3~30V)
Model V40D Quantity 1 Color Black Material Plastic + iron + PCB Specification Measurement range: DC 3~30V; Display: 3-digital 1.2 seven-segment display; Display color: Blue; Refresh rate: about 500ms; Cable length: 20cm; Hole size: 37 x 20mm Features Digital voltmeter Application Various electronic products and DIY projects Other Waterproof£¬ with reverse voltage protection English Manual/Spec No Packing List 1 x Digital voltmeter module (20cm-cable)