Check the listing for details. DC 0-100V Red Blue Green LED Digital Display Voltmeter LED Voltage Panel Meter. Condition: New. Listed at 1.55 USD. DC 0-100V Red Blue Green LED Digital Display Voltmeter LED Voltage Panel Meter1.Wide measurement range 0-99.9V.2.Mini Green LED display.3.Low power consumption.4.Refresh speed: 500ms.5.Snap on design for easy installation.6.led colors:Green.7.Refresh speed: about 500ms/each time.8.Power supply:DC 4.5v - 28V. Working temperature: -10℃ - 65 ℃. About how to use the item Red line:Power Supply + (4-30V ) Yellow line:Measure Voltage + Black line:Power Supply -, Measure Voltage- Red: positive power supply, you need access to power within the positive range DC 4.5-30V Black line: Public negative, both powered anode is measured with reference to the negativeYellow Line: Measuring signal input positive Package Included: 1 x Green / Red / Blue LED Panel Meter Mini Digital Voltmeter DC 0V To 99.9V TOP Payment MathordReturns PolicyAbout FeedbackPayment Mathord 1. PayPal payment accepted only. 2. Items will be shipped to your eBay address. Please make sure it is correct. 3. Payment must be received 4 days after auction ended.Returns Policy 1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase. 2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer. 3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner. 4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response. About Feedback When you satisfied with our product and services please leave us positive feedback. If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay. On 25-Oct-2022 at 06:06:10 BST, seller added the following information: