4 Digital LED Tachometer RPM- Speed Meter+Proximity Switch 12V 9999RPM
Features: With a standard size, easy to install.
Have good stability, measurement precision-.
Strong anti-jamming- capability.
Quality material, has long service life.
Meet your need-.

Specifications:
-Power requirement: for DC8-24v
-Measure-range: 10-9999RPM
-Clear zero: Automatic
-Display refresher- rate: 3 Time-/Second
-Measure indication: RPM5000,±3
-Display: Green 0.56" LED
-Response frequency: 100HZ
-Tachometer dimension: 79x43x25mm
-Panel cutout Dimension: 76x39mm
Dimension: 12x55mm
-Proximity- output current: 30mA
wiring: brown-Power+;blue-Power-;black-signal
-Operating temperature: -10 to 50°C.
-Operating humidity: 10 ~ 80% (without condensation)
-Operating pressure: 80 ~ 106kPa
-Cable Length: Approx. 120cm/47.24in

Package Includes: 1.Please allow 1-2mm error due to manual measurement. Please make sure you do not mind before you bid.
2.Colors may differ slightly from the pictures.

note: 1x LED Tachometer RPM- Speed Meter
1x Hall Proximity-Switch NPN-