The high-voltage capacitor discharge pen adopts a constant current discharge design and can be used for both AC and DC without distinguishing the positive and negative poles. The gold-plated extra-tip test pen is connected and can flexibly respond to the needs of occasions. During the normal discharge process, the green status indicator light be on. If the indicator light goes out, it indicates that the energy of the energy storage capacitor has been discharged below the safe energy. It is a practical tool for power supply maintenance and safe discharge of high-voltage energy storage capacitors. The pen tip can be removed, if thewire is broken in use, it is easy to The circuit design is reasonable, regardless of the positive and negative poles, the positive and negative polescanbe connectedfreely.Just to the two poles of the capacitor. Colour:Black & Red Material:plastic Package Contents: 1 x Capacitor Discharge Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!