Blue 20-75Hz 22mm AD16- 22DSHZ Round LED Hertz Meter Indicator HM-10 Bluetooth Module-China Make Autonomous Aerial Surveying: Agricultural and

Autonomous Aerial Surveying: Agricultural and industrial surveyors deploy this transmitter for GPS-coordinated autonomous missions with real-time telemetry monitoring

and functionality for DIY power projects

Noise level monitoring systems

Height (mm) 7

IP65-rated industrial enclosure withstands harsh environmental conditions including temperature fluctuations and moisture exposure

Blue 20-75Hz 22mm AD16- 22DSHZ Round LED Hertz Meter Indicator HM-10 Bluetooth Module-China Make Autonomous Aerial Surveying: Agricultural andBlue 20 75Hz 22mm AD16 22DSHZ Round LED Hertz Meter Indicator This is digital Hertz Meter Indicator with Big Digital Tube, It gives you best using experience for your projects it is light weight, high quality, durable. This voltmeter comes with 7 segment display on it to show output & build with plastic, small and compact, and extremely durable which adds a systematic and classy look to your control dashboard or signal monitoring spot on any device or