

🔧 Illuminate your diagnostics with precision and power!
The JASTIND LCD Digital Display Test Light is a professional-grade 3-48V DC voltage tester featuring a sharp stainless steel probe, a highly accurate ±0.2V backlit LCD display, and a durable 140-inch PU spring wire with a large alligator clip. Designed for automotive and household electrical circuit testing, it offers safe, precise, and convenient diagnostics backed by lifetime product support.













| ASIN | B07F2GWNRV |
| Best Sellers Rank | #283,149 in Automotive ( See Top 100 in Automotive ) #226 in Battery Testers |
| Brand | JASTIND |
| Brand Name | JASTIND |
| Bullet Point | [Computer Safe & Backlight Digital Display Part] Heavy Duty circuit light tester with highly clear LCD digital backlight display screen, resolution to .1V voltage reading with high accuracy to ±0.2V, clear&visible digital readouts for day and night. Jastind test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits., [Extended PU Spring & Large… |
| Color | Clear, White |
| Customer Reviews | 4.6 out of 5 stars 2,972 Reviews |
| Item Dimensions | 13 x 4 x 1.5 inches |
| Item Package Quantity | 1 |
| Item Weight | 0.22 Kilograms |
| Item dimensions L x W x H | 13 x 4 x 1.5 inches |
| List Price | 32.99 |
| Manufacturer | JASTIND |
| Maximum Operating Voltage | 48 Volts (DC) |
| Measurement Type | Voltage DC |
| Minimum Operating Voltage | 2.6 Volts (DC) |
| Model | JTCVT-01B |
| Package Weight | 0.22 Kilograms |
| Part Number | JTCVT-01B |
| Power Source | Battery Powered |
| Size | White Backlight |
| Specification Met | Ul, Nist Traceable |
| Style | Voltage Tester |
| Style Name | Voltage Tester |
| Title | JASTIND Premium 3-48V DC Digital LCD Display Test Light with 140 Inch Extended Spring Wire, Car Truck Vehicles Low Voltage Tester, Automotive Circuit Tester with Sharp Stainless Probe |
| UPC | 682698800058 |
| Upper Temperature Rating | 140 Degrees Fahrenheit |
M**C
Good quality, works well, accurate voltage display
Used to trace a loose/disconnected ground on my Range Rover, which has been extremely elusive up till now! This light tester worked exactly as described, seems to be good quality overall, and was easy to use. The cord is long enough to get pretty much anywhere I'd need it, but coils up well so it's not just in the way. I compared the voltage display across the battery terminals and across a couple of circuit points to what my multimeter was showing, and it was exactly the same. Overall very pleased with this purchase, especially for the price.
D**L
Impressive quality
Highly recommend this test light for a several reasons. The overall quality is excellent. Doesn’t feel like it’s gonna break if I set it down too hard. The digital display on it is so much better than ordinary test lights that only have a cheap flashlight bulb in them. The Large, bold, clean cut numbers that it displays are Easy to read day or night and appear impressively fast. The cord is much longer than any I’ve used before and the clamp is bigger as well giving more options to connect to. I feel like I got way more than my money’s worth and will most definitely be buying more
D**S
Awesome in every way. A must have.well built !
This test light is great! The feel of it the build is strong. It has a nice cord and clip and a sharp point all that and a digital display with a back light. And also where the wire comes out of the top of the unit it has a nice plastic wire support to prevent kinking and over bending of the wire. Overall an awesome product that works great!! Thanks.
V**R
Very nice tester to use
I bought this tester a few months ago and have used it on many occasions. I do enjoy the extra length of the wire lead and the strength and connectivity of the clamp attached at the end of the lead. The probe is very sharp and the LCD screen is easy to read. I did compare with my multi-meter and the accuracy is "spot-on". If I had to make a recommendation in the design - it would be nice if it had some kind of illumination upon a live circuit. This tester is for DC current only with a max voltage of 48 volts. Overall-I do recommend this tester for use with automotive or other areas of testing DC current.
J**T
Easy to use and great visibility
Haven’t put this tester in a lot of use, but from first impression the tool appears to be made well. Instead of a traditional light on the handle, this provides you a voltage reading which is why I chose to buy this particular tester. This gives me not only that there is power present at what I’m testing but I can also use this as a volt meter. Great tool for the price it’s sold as.
L**.
Excelente
Excelente producto
D**1
Handy for troubleshooting
Voltage display is good, works well, good value
J**E
DC voltage tester
This voltage tester is one of the easiest straightforward testers I've owned. You can use it to find a voltage drop, a bad ground or to see if you're charging system is working.
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