The ImmersionRC RF Power Meter V2 makes testing critical RF links for FPV simpler and more affordable. Featuring an internal battery and attenuator, this power meter can accurately help you measure your RF links, giving you the accurate information you need to fly the skies. This tool provides a cost-effective way to measure the power emitted by RF sources such as video transmitters and R/C radios. Meaning this device will easily allow you to visualize the power emitted.