0.56 Inch 33V/200V 3-in-1 Time + Temperature + Voltage Display DC7-30V Voltmeter Electronic Watch Clock Digital Tube

Feature Reverse does not burn the number does not shakeDigital tube 61 x 29 x 17 5mm L x W x H Installation size 58 x 26 x 17 5mm L x W x H Power supply 7 30V high brightness LED digital tubeLight Color red blue green yellow white optional Shell Color Black optional Voltage DC0 33V DC0 200V optional 4 display modes 1 Display time only 2 Display temperature only 3 Display voltage only 4 Time temperature voltage is alternately displayed Note 1 The difference between 33v and 200v is that the maximum measurement voltage is different Car battery 12v can select 33v and electric vehicle can select 200v 2 Three in one table temperature sensor line defaults 1 meter can not be extended will affect the accuracy of time after extension please think twice VoltageRange DC0 33V error 0 02VRange DC0 200V error 0 1VPower supply 7 30V Two ranges are available Temperature 50C 125C DS18B20 probe extension line 1 m waterproof Accuracy 0 0625 no calibration required Time24 hour system clock chip accuracy of 15ppm with power off memory function accurate time Key setting Button 1 Short press to select the clock second voltage temperature display mode Press and hold to display ALL enter the time voltage temperature tracking mode with an interval of 5 seconds Press the button again to exit the mode Button 2 Short press to adjust time minute flashing and press one button to adjust Press button 2 again to exit the adjustment mode