Product Name: Blinking LED Module, LED Flash Module, Wireless LED Blinking Module Model NO.: S-3211 Blue Waterproof: Customizable Emitting Color: Customizable LED Light Source: Customizable 3PC 2032 Button Cells: 1PC Diameter 3mm or 5mm LED. Trademark: YFAST Transport Package: Carton Specification: CE; Origin: China Product Description S-3211 Blue LED Flashing Module for Sale Displays1.3PC 2032 Button Cells, Continue working 8months at least2.1PC Diameter 3mm or 5mm LED.3. With or Without ON/OFF Switch4. Frequency: 60times/Minute5. LED Color and LED quantity can be chose.6. Double Adhesive sticker on the back of the Module7. OEM is welcome8. For POP DisplayAST Industry Co., Ltd is one the leading and professional manufacture for the Electronic products, Promotional gift and so on. There are Voice Recorder, Sound module for greeting cards, Sound Chip, Musical Module, Voice Module, Video Module, Video Brochure, Voice Chip, Motion Sensor Talking Box, Musical Bottle opener, Recordable wine opener, LED Flashing Module, LED Flashing Light, Light Module, Wireless Doorbell, Recording Plush&Stuffed Toys, Recording greeting cards/Postcards/Gift Bag ect. In our manufacture activities.