Ferret has unveiled their 103 Test Light with more durable, Superbright LEDs and a removable probe that can be used with any banana jack accessory in troubleshooting power, ground and signal problems. Additional features include: The light's LEDs offer improved visibility in direct sunlight. An audible indicator that the company feels will make testing easier. Simplified operation, as by touching power the 103 glows red, touching ground makes it glow white, probing a trigger, data, or variable signal displays pulsing signals, digital commands pulse red and white, and low signals glow white while high signals glow red. The unit can be powered by a cigarette lighter or 12-volt battery.