ITEM NAME:Mini LED voltmeter display backlight blue 17 volts P9S2 Mini LED voltmeter display backlight blue 17 volts P9S2 100% new small size and easy installation Name of module: Operating voltage Measurement accuracy: 1% Refresh rate: about 200MS Display: 3 digit display Measurement / Input range: 3.3-17V Operating Current: less than 20mA Display colors: Blue Size: 35 * 14 * 10MM Note: This module does not have reverse polarity protection, reverse polarity burned, please connect the red wire to positive and the negative black cable. Package Contents: 1X Mini Voltmeter Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.
