DC 0-99.9V LED Panel Voltmeter Buzzer Alarm Indicator Level Charge Battery E102

Description:
1. Supply voltage: 4-30V
2. Measuring range: 0-100V
3. Upper/Lower limit setting range: 0.1-99.9V
4. Upper/Lower limit output mode: on set range will output high level, otherwise output low level.
5. Minimum resolution: 0.1V
6. Refresh rate: 300mS/times
7. Operating temperature: -40 to +85°
8. Input reverse polarity protection: YES
9. Installation: 2pcs 2mm screws
10. Size: 29x23x10mm (L x W x H)
 
Applications:
1. DIY power supply, as the voltage display.
2. Voltage monitoring.
3. The device overvoltage or under voltage alarm, or overvoltage or under voltage protection.
4. Battery over-discharge protection.
5. To be more application you develop.