Check the listing for details. DC 99.9A Mini Red LED Digital Current Amp Panel Meter. Condition: New. Listed at 8.50 USD. 3 Digital Mini Red LED Ampt Current Meter 3 digit Red LED Current Meter Summary: Range 0.99.9A Precision: +/- 0.5% Ideal for HHO and laser machine Red LEDIsolated power module required if planning to use it for car, boat, or motorcycle current monitoring. Easy to install Product Description This is a miniature 3 digit Red digital Amp meter. Do not rely on the cable color for connection as it changes sometimes. Follow the label on the meter only. Note: A 100A, 75mV shunt is required(Not included). An isolated power is required to power the meter to avoid common ground. Do not use a 7805 and share power with other meter as 7805 is not isolated from the circuit. Instead, use a DC-DC isolated power module should be used if there is a single source available such as a car, boat or bike where 12V is the only power. [-In+ -5+] **A pigtail is included. Specification Accuracy: +/- 0.5% Type: LED (Red) Power: 5V Range: 0-99.9AResolution: 0.1ASize: 45mmx26.5mmx20mmPigtail is included Shipping Fast shipping from Sacramento, CA. Please ensure that the shipping address provided at checkout is accurate.We are not responsible for shipping address issues. Please be aware that weekends and holidays DO NOT count as a business day. Payment We accept Paypal as payment and only directly through the eBay listing Returns We provide 30 days returns on most items. Please notify us within 30 days if you want to file for a return. Shipping and Handling fees is not refundable Items to be returned must be inresaleable conditions. We reserve the right to reject the return. Feedback It is our mission to provide the best possible product and customer service to our online customers. We understand the hesitations and concerns associated with the purchase of items(s) online. We want to minimize those concerns by making our transactions as easy as possible. We will gladly leave you positive feedback, we respectfully ask that you rate us accordingly. If you do have any problem(s), please give us an opportunity to correct it before leaving negative feedback. We will do our best to rectify the issue. ©ColdFusionX