Check the listing for details. DC Volt AMP Meter Voltage Voltmeter Current Ammeter LED Digit Milli Micro uA mA. Condition: New. Listed at 9.99 USD. Specification Power Supply Voltage:DC5V Display Type:Red LED 3 1/2 digit Accuracy:±0.5%±1 digit Input Impedance:more than 10M Ohm Conversion Rate:2-3 Readings/Second Operating Temperature:-10 - +50℃ Outside Dimension:79x43x24mm(3.1"x1.7"x0.9") Mounting Hole Dimensions:76x39mm(3.0"x1.5") Case Material:plastic Net Weight:50g Please note: 1.The 5A 10A meters do not come with connection wires, as the socket(see the photo) is different from other models due to high current. Please connect it directly with wires. 2.These meters are non-isolated type. The 5V working power supply and the input signal are common ground. It is recommended to use an independent 5V power supply.If the same power supply is used, the Ammeter must be connected in series to the negative pole of the power supply. Package content / lot : 1 x Meter 2 x Connection Wire(5A,10A NO Connection wire) Shipping Item will be shipped to worldwide by air-mail to your eBay registered address. If you need to change your address. please make an annotation or leave us a message. We usually ship the order within 1 business days( excluding Saturday and Sunday) .It takes about 11-23 business days for you to get the package. If you want express shipping ,please contact us. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.