This G.T. Power Watt Meter can measure real time voltage (up to 30V), current  (up to 30A) and power of yours R/C components. 

Product function

1. Real time voltage detection, record peak voltage.

2. Real time current detection, record peak current.

3. Real time power detection, record peak power.

4. Low power drain. 

5. Reverse polarity protection.

Product specifications:

1. Voltage detection range [working voltage]: 4.5-30V; precision < ± 0.03V.

2. Current detection range: 0-30A; precision < ±0.3A.

3. Display updated rate: 0.5S.

Warning:

1. Please keep this tool away from heat, fire and direct sunlight.

2. Please keep this product away from water, corrosive gases, dust and wet environment.

3. Please do not disassemble and reassemble as this may cause damage to this device and to other equipment connected to this tool.