Digital Multimeter - Model 9205B+ red or it can be configured

or it can be configured to measure up to 60 cm with reduced resolution

the latest product in the Raspberry Pi 3 range

a yellow one tells you its working

Pulse rate configurable from 1 to 333 Hz (2)

Most toolkits give you a tiny bit

Digital Multimeter - Model 9205B+ red or it can be configuredThis massive multimeter has everything but the kitchen sink included. It's a great addition to any work bench or tool box. It's low cost, simple to use, and has a big clear display with all the measurements you need and more! The multimeter includes: AC DC Voltage measurement Current measurement, from 2mA range up to 20A range (both AC and DC) Beeping continuity test, and diode test for measuring voltage and lighting up LEDs Resistance Capacitance