Professional Logic Probe High Frequency Response DTL TTL CMOS Pulse Memory Logic Tester LP-1 517A - AliExpress
Logic Probe Tester, Automotive Logic Probe Voltage Circuit Tester Heavy Duty 6-24V Dual Color LED Indicator Universal for Car Truck: Amazon.com: Tools & Home Improvement
Automotive Logic Probe Voltage Circuit Tester Heavy Duty 6-24V Dual Color LED Indicator Universal for Car Truck - AliExpress
uProbe - simple logic probe - Hackster.io
Mountain Heavy Duty Automotive Logic Probe MTN2800