The head of the three-in-one electric pencil sharpener is made of iron material, which is a necessary tool for home detection appliances. Non-contact test, all external insulation to ensure safety. The operation is simple. You only need to touch the pen head to the wire. The red light is on and there is a sound prompt. You can know that there is a voltage on the line. The detection voltage does not need metal contact. It is convenient to use, can be hung on the clothes pocket.
Carton size: 79*27.5 * 63.5CM gross weight 20kg