★ Thank you for viewing! ★ ※ Please confirm the following items: ① No comment is needed before purchase. ② We do not offer discounts or set discounts. ③ Please purchase on separate product pages to prevent errors. ④ We only comment when shipping after purchase. 【Product Description】 Convenient when installing electrical components! This is a test light to check if electricity is flowing. Easy-to-use specification that even beginners can easily determine as they can check if electricity is flowing with the light of the tester ✨ The easy-to-insert pen type makes it easy to apply to the target wiring, and you can accurately check the location even if multiple wires overlap ♪ 【How to Use】 ・ First, ground the body with the clip part. (In the case of a car, clamp the door hinge with the clip) ・ Insert into the positive wire carrying current. ・ If the LED in the tester lights up, it means that electricity is flowing. ※ Since vehicle-mounted products use ACC power, be sure to turn the engine key to activate the ACC power and check. ※ In the case of inspecting the illumination power supply linked to the small lights, turn on the ACC power and the small lights and check. 【Product Details】 Condition: Brand new Size: 130mm Accessories: Body ground clip Compatible voltage: 6/12/24V The actual product is in the last photo.