Features: The HT121 pen type digital multimeter is a portable electrical tester with accurate measurements and burn prevention, making it perfect for circuit measurement and troubleshooting. With its auto detection feature and versatile functions, the HT121 digital multimeter ensures safe usage in various scenarios. Designed for electronic engineers, electricians, and students, this compact multimeter is an essential tool for anyone involved in circuit measurement and fault diagnosis. Whether you're repairing household appliances, conducting experiments in an electronics lab, or troubleshooting on industrial production lines, the HT121 multimeter is your reliable tool for circuit measurement and fault diagnosis. Get ready to experience the convenience and accuracy of the HT121 digital multimeter. Its compact size, intelligent recognition, and multiple functions make it a must have for professionals and enthusiasts alike. Specifications: Material:ABS, Electronic Component Size:Approx.18.9x3x3cm/7.44x1.18x1.18inch Package Includes: 1x Voltage Detection Pen note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.