Specifications:

• Dimensions: 27 x 14 x 13 mm .
• Weight: 4 gm.
• Input Voltage range: DC0 to 25 V
• Voltage detection range: DC 0.02445 V to 25 V
• Analog Voltage resolution : 0.00489 V
• Output Interface : “+ ” connected 5/3.3V, “-” connected GND, “s” connected Arduino AD pins
• DC input interface: red terminal positive with VCC, negative with GND
• You can also use the IICLCD1602 LCD to display voltage.
• By 3P connector, connect this module with the expansion of board Arduino, not only makes it easier for you to detect voltage battery.