The voltage tester pen provides precise voltage detection for reliable electrical readings in any testing scenario. It supports automotive circuit diagnosis with accurate voltage detection. Suitable for a wide range of applications including home circuit testing, industrial equipment maintenance, and appliance . Features a simple and elegant appearance, sensitivity probes with quick response times, and an ABS housing for durability and longlasting use. Key attributes: Function precise voltage detection Compatibility automotive circuits, home circuits, industrial equipment, and appliances Material ABS Performance fast response with sensitivity Appearance simple and elegant design Use scenarios: Automotive circuit diagnosis in garages or workshops. Home electrical testing for outlets, switches, and wiring. Servicing appliances or industrial equipment where voltage verification is needed.