Blue led dc 0-20A 3 1/2 digital led amp current meter

Blue led dc 0-20A 3 1/2 digital led amp current meter

3 1/2 Digital BLUE LED Current meter
Range: 0-20A DC Precision: +/- 0.5% Two digits after decimal point "19.9"
Note: A 'shunt' resistor is needed!
Note: A 'shunt' resistor is needed.
The seller will not cover warranty due to physical damage, abuse, improper use, or any modification by the user.
All DOA must be reported in 4 business days or will not be considered afterward. No exception