SMAKN® Blue 028 Mini 2 Wire DC Voltmeter 250~30v Digital Display Voltmeter Gauge LED Voltage Detector

Cutting size:23.5mm x 10mm Mounting holes distance:29mm Measuring range:DC 2.50~30V Two-wire access Measurement precision:0.01V(3-10V); 0.1V (10-30V) Refresh Rate?about 500mS/times Display:Three 0.28 " LED digital tube Display Color:blue Operating Temperature:-10 °c ~ +65 °c Power supply same Source,self-Power Current consumption: generally 5-15mA, less than 20mA Reversal protection:Have Wiring: Red: Power Supply +,Measure Voltage +,(2.50~ 30V DC) Black: Power Supply -, Measure Voltage - If measure 10V below, accurate to 0.01V,display x.xx If measure 10V or more,accurate to 0.1V,display xx.x Package Include: 1x Digital Voltmeter Panel Please note: 1> SMAKN is a registered trademark and the only authorized seller of SMAKN branded products. 2> SMAKN provide you various kinds of great products at the lowest possible prices, welcome to our store and get what you want !!! 3> SMAKN highly appriciate all customers' opinions to improve the selling ,also if anything you unsatisfied, pls contact our customer service department for probable best solution.