High-quality ---- Responsive Electrical Tester Pen is composed of a high-quality and durable PVC Handle, screw rod, slotted point screwdriver, nut, spring, neon bulb tube, and resistance block, which ensure safety while using.
Fast Identification of Null-live Wire ---- As long as it is close to the insulation of the wire, the plastic shell of the electrical appliance, etc., when the light is on, it means that the line is live. The brighter the light, the higher the voltage of the tested circuit, and vice versa.The test result LED red light and green light indicate live line, green light indicates neutral line.
Bright Light and Waterproof ---- The Responsive Electrical Tester Pen is designed with a bright LED light, which is also an obvious cue when used during the day. It is waterproof, which allows you to work well outdoors.
Self Check Function ---- In self-check before use, please hold the pen tip with one hand and touch the tail with the other hand. When the light is on, it means the tester pen is normal and has sufficient power. No light indicates that the battery needs to be replaced.
Wide Application ---- Widely used in home, industry, electric power, automobile maintenance, electrical testing, and other life and work scenes. Perfect gift for electricians, electronics enthusiasts, and fathers.
