【Extra Spring Light Bulb】 : High visibility and strictly tested long service life spring test light bulb to indicate circuits’ signal. Can be used for common 6V-12V-24V DC circuit test; We throw in a replacement spring bulb as an extra to make it serve you faithfully for years.

【Quality Made Fuse Tester】 : Heavy Duty Construction, large size tester body made with high quality ABS, shatterproof, wear-resistant; With sharp stainless steel probe for piercing wires, also for hard to reach areas. Durable than normal test light.

【135 Inch PU Spring Cord】 : Portable 135 inch long enough PU spring wire cord, tail equipped with anti-kinking spring; And large size alligator clip for easy and one hand operation.

【Bidirectional Current Voltage Testing】 : You can attach the alligator clamp either to negative or positive ground, while use the probe to touch the other side.

【Wide Application】 : DIY automotive circuit tester/circuit test light with 6-24V DC voltage testing range, ideal for checking various vehicles electrical circuits, quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections, also for testing other 6-24v DC wirings and circuits. Making it an essential tool in electrical troubleshooting.