3pcs LED Power Indicator Kit DIY Battery Tester Module For 2.4-20V Battery

Description

Feature: Power consumption: display full bright 42ma, single lamp display 4ma (the digital tube has a word on one side of the pin is positive)Measuring range: General battery within 2.4-20VDisplay mode: Multiple light bar display or single light spot displayPcb board size: 2.6 x 4.9 cm Package includes: 3 x Resistor 3K3 x 3296W Precision Potentiometer 5K (502)3 x 3296W Precision Potentiometer 50K(503)3 x 6*6*7 touch keys3 x LM3914 DIP Chip3 x 18P IC Holder3 x 10 segment digital tube3 x PCB board