Specification:

Operates voltage: 4.8V-60V
OV with optional auxiliary battery
Dimension (L*W*T): 8.3 x 4.2 x2.4cm
Measures:
0-150A, resolution 0.01A;
0-60V, resolution 0.01v;
0-6554W, resolution 0.1w;
0-65Ah,resolution 0.001An;
0-6441Wh,resolution 0.1Wh;
backlit LCD display

Package Includes:
1 x 150A Watt Meter and Power Analyzer
1 x English user manual