select DC 5V
Brand Unbranded

Check the listing for details. 5166FR Frequency Meter 5-Digit Red Tachometer Switch Speed Counter DC5V/12V/24V. Condition: New. Listed at 14.43 USD. Magnitude: 3 a 30V and 30-300V two grades, short circuit risk switching. "2" for frequency display without filter, "3" for speed display without filter, press "S1" key to switch. The key can be used to set the crossover frequency value, the crossover frequency value can be 1- 9999 and 0.0001 a 9.

$10.10
$14.43