Welcome to buddingenergy.vn Specification: Brand new Length: approx.13cm Measuring range:100-500V Multifunctional household test pencil,you can use it to test circuit and distinguish whether an object is electrified. With light indication. Slotted screwdriver function. Multi-function, double head removable. Light weight and easy to carry. Fine workmanship and durable. Package included:1pc x electric tester pen Note: Please allow 0-1cm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.