TYPE C USB Charger (5V) Built-in 1800mah lithium battery Maximum working throughput: 100 watts Maximum possible measured power: 120 watts Minimum power required to start tuning: 5 watts The minimum possible measured power: 0.1 watts Measurement step at power up to 10 Watts: 0.1 Watt Measurement step with power above 10 watts: 1 watt Accuracy of power measurement: 10% Maximum installed inductance: 8.53 H The minimum installation step of inductance: 0.05 H Maximum installed capacity: 1869 pF Minimum capacitance installation step: 10 pF Colour:Black Material:Metal Package Contents: 1 x ATU100 Tuner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.