Specifications:
Working current: < 10mA
Display mode: LED indicator
Refresh rate: 500ms/time
Product working voltage: DC5V-30V
Note:
1. Do not exceed the operating voltage, as exceeding this voltage will damage the product.
2. The product is available in both high and low voltage versions, please select the battery meter within the voltage range.
3. Do not use this product outdoors, as it is not waterproof.
Package includes: 3Pcs