4 Digital Led Tachometer Rpm Speed Meter + Hall Proximity Switch Sensor Npn Christmas and special occasions

Christmas and special occasions

the mechanical fine molding opening is made to achieve a high level of match

The lightweight wicker tray is more durable than it looks

LCD Dimensions: 22 x 40 mmThe humidity level is measured using the remote humidity probe and will NOT store max min values

but also resistant to UV and rot

4 Digital Led Tachometer Rpm Speed Meter + Hall Proximity Switch Sensor Npn Christmas and special occasions4 Digital Led Tachometer Rpm Speed Meter + Hall Proximity Switch Sensor Npn Product Feature100% brand new and high quality4 digits display, clear and easy for readingsMini size, high performance and fast reaction speedWith good stability, high accuracy, anti interference abilityUsing the latest A D conversion chip, high stability reference IC and stick chip componentsIt can be applied to voltage and current measurement, also can be an external sensor