Blue 20-75Hz 22mm AD16- 22DSHZ Round LED Hertz Meter Indicator HM-10 Bluetooth Module-China Make engineered with improved structural rigidity

engineered with improved structural rigidity and enhanced component mounting flexibility

DPDT = Double Pole Double Throw (controls 2 circuits with 2 positions each)

and functionality for DIY power projects

Wide Input Range - Accepts 85-264V AC for global compatibility

Blue 20-75Hz 22mm AD16- 22DSHZ Round LED Hertz Meter Indicator HM-10 Bluetooth Module-China Make engineered with improved structural rigidityBlue 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