4 in 1 Multifunctional Laser Pointer With LED Light Pen

This is a multi-function ballpoint pen with a metal casing that can be rotated, a built-in battery, and can emit light. It can emit laser pointers, white light and purple light and can write. The first button is an infrared laser switch that can be used to detect currency. Pressing the second button once will turn on the white light, pressing it twice will turn on the purple light, and pressing it again will turn off the power. Suitable for conferences, schools, offices, exhibitions.