Welcome to our shop! This voltage tester pen is made of high quality carbon steel and insulating plastic, ensuring its sturdiness and durability. It features a blue-ray digital display screen that allows for easy reading even in dark environments. The LED switch is designed to be easy to push and convenient to use. The pen is made with an insulating shell and has a clip on the back, making it easy to hang and carry. This multifunctional voltage tester pen has six functions including self-test, wire circuit test, wire circuit power failure test, AC voltage test, DC test, and high voltage test. It is suitable for a wide range of applications. Specification: - Material: Carbon steel and insulating plastic - Measurement range: AC/DC 12-220V - Shell endured voltage: 500V - Type(Optional): Pen with light, Pen without light - Operation current: ≤0.05mA - Size: Approx. 14.3*2.5*1.8cm / 5.6*0.9*0.7inch - Weight: 50g Package Included: - 1 x Voltage Tester 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.