activated t-shirt el t-shirt el products el flash 1. CE, RoHs 2. high quality and competitive ... before power3.Do not submerge any part of the flash panelUsing:1.Insert standard AAA batteries2.Slide switch to ... operate power3.Use selector on pack to choose flash pattern4.Do not bend or apply pressure to the ... flash panel.10.Packing:1pcs/pvc bag,50pcs/cartonCarton ...