We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Pen-style automotive circuit tester with sharp probe, alligator clip, coiled wire and green backlit LCD display

KAIWEETS 0.8-100 V DC Smart Automotive Test Light

SKU CH-1547-S15YW

Tests 0.8-100 V DC circuits with automatic mode selection, buzzer continuity alerts, and a backlit LCD readout in a compact, battery-powered probe

  • Team affiliation1 Piece
  • Key featuresUser Manual *1, Test Light *1, Battery Powered, true
  • Overall height8.5 L x 2.24 W x 1.73 H inches
  • Overall width8.5 L x 2.24 W x 1.73 H inches
  • Overall length8.5 L x 2.24 W x 1.73 H inches
  • Product weight0.15 kg
  • Smart mode auto-detects DC voltage, continuity and resistance without manual range changes
  • Measures 0.8 to 100 V DC for headlights, taillights, sockets and fuse circuits
  • Buzzer alerts on continuity with 0.1 V resolution on bright green backlit LCD
  • Copper-nickel plated 1.65" probe and large alligator clip enable one-handed testing in tight spots
  • Protective probe cap and coiled-wire cover guard against accidental damage when stored

Smart DC Automotive Test Light

The KAIWEETS tester defaults to smart mode and automatically detects DC voltage, continuity and resistance without manual range selection. A sharp copper-nickel probe and large alligator clip allow one-handed access to tight fuse boxes and under-dash wiring. A green backlight LCD shows readings clearly in bright or dim conditions.

0.8 to 100 V DC Measurement Range

The instrument measures direct-current voltage from 0.8 V up to 100 V with a 0.1 V resolution, covering typical automotive lighting, socket and fuse circuits. It is not suitable for AC mains, high-voltage hybrid or electric-vehicle systems, or any circuit outside the stated DC window. Continuity checks are signalled by an audible buzzer.

Check Your Vehicle and Access Needs

Verify that the circuits you intend to probe operate within the 0.8-100 V DC range and that the 1.65 inch probe can reach the test points. The unit requires a battery for operation and includes a protective probe cap and coiled lead cover. Buyers needing AC voltage, current measurement or data logging should select a different tool.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 63% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameKAIWEETS
Product typeVoltmeter
Size & build
Overall height8.5 L x 2.24 W x 1.73 H inches
Overall width8.5 L x 2.24 W x 1.73 H inches
Overall length8.5 L x 2.24 W x 1.73 H inches
Product weight0.15 kg
More details
Team affiliation1 Piece

Questions about this item

Should I choose the 0.8 V lower limit or a higher starting voltage for basic car circuits?

The tester covers 0.8 V to 100 V DC, so the 0.8 V floor lets you check low-voltage sensors and wiring without needing a separate range selector.

What does the 0.1 V resolution mean when I am probing a live circuit?

The display shows voltage in 0.1 V steps on the green backlight LCD, giving you a precise readout while the buzzer confirms continuity.

How does the smart mode handle the DC voltage range without manual switching?

Smart mode automatically detects DC voltage, continuity and resistance across the full 0.8-100 V span, so you never change settings between tests.

More in Multimeters & Electrical Testers

Similar items