EHDIS Digital LCD Photo Tachometer Non-Contact RPM Meter Motor Speed Gauge Gun Style Includes 10 Reflective Tapes auspowers_batchone Working voltage: DC 5V Package

Working voltage: DC 5V Package Included: 12 Hall Effect Magnetic Sensor Module

and signs with desired message or information

backpack accessory straps (like cinch camping gear)

flexible and resuable

4 Controller + MEGA2560 R3 Board + 5pcs Soldered A4988 Stepper Motor Drivers + 5pcs Heat Sinks + 19pcs Jumpers with USB Cable for RepRap 3D Printer Kit

EHDIS Digital LCD Photo Tachometer Non-Contact RPM Meter Motor Speed Gauge Gun Style Includes 10 Reflective Tapes auspowers_batchone Working voltage: DC 5V PackageEHDIS Digital LCD Photo Tachometer Non Contact RPM Meter Motor Speed Gauge Gun Style Includes 10 Reflective Tapes Read more Feature 1. Mini Handheld Gun Type Design 2. Wide Range of Measurement and High Resolution Automatic and Manual Measurement Selectable Data Record and Recall (60 readings) 3. MAX MIN AVG Value Record Functions 4. Record Time Interval Setup Function 5. LCD with White Backlight 6. Data Hold Function 7. Auto and Manual Power Off 8.