Multi Colors Medical Penlight First Aid LED White or Yellow Pen Light

Instructions:

• aluminum alloy material, 7 body colors for option. 
• Laser source : Cool white LED - 60 MW; warm white LED - 50MW
• power supply: 2pcs AAA battery (not include)

        Install battery:  twist to remove the tail part, install the batteries, close and tighten the tail part

         take out the batteries when it is not used for a long time