inputs.text: gt power lcd 130a watt meter scratch high precision part name - purchased meter inexpensive watched video review several meters like gt power rc 130a high precision watt meter tested well compared others price rangepros price right 24it measures current voltage fairly small margin error see cons belowcons back light time either plus minus would like option turning save powerseems measure current 1 amp fine want see vampire current no dice mine not show 80ma reads zero ah not updatedbulkier many meters 210 thicker 410 longer watts metersummary gt power meter functional isnt accurate low current levelshow fix add switch back lightadd internal battery reset switchmake read low current levels like watts meterkeep price reasonablemy 2 cents worth