It uses batteries and has a compact design that is lightweight and easy to carry. It is assembled into a box for use.
The user washes their hands using a special lotion to simulate dirt on the hands, and then shines the light under a special light. This allows users to visually check whether they are washing their hands properly on a daily basis at the workplace.
The dedicated light uses LEDs, so the battery life is longer than that of conventional fluorescent tube types. Specifications: Complete set (23259: Shabonet Yu-m P-5 250mL with P x 1 / 41337: Hand washing checker lotion 230ml x 2 / 41357: Black light LED (with hook-and-loop fastener) x 1 / Hand washing checker body x 1 / Instruction manual x 1)
