| Color | Blue |
|---|---|
| Brand | Unbranded |
| Package Contents | Digital LED Tachometer |
Check the listing for details. Switch Sensor Digital LED Tachometer Switch Sensor Replacement Accessories. Color: Blue, Condition: New. Listed at 20.77 USD. Input pulse signal: NPN/PNP open collector, switch, non- switch, level pulse. Using the latest A/D conversion chip, high stability reference IC chip components. 1 x Hall Proximity Switch Sensor NPN.