Check the listing for details. Future Kit 2 Alternating LED Display DIY kit FK109 Soldering Flux Workshop. Condition: New. Listed at 29.99 USD. FUTURE KIT 2 JUMBO LED FLASHER DIY KITFEATURESBrand: Future KitBrand Series: Future KitMain Colour: GreenCountry of Manufacture: ThailandMPN: FK175Series: FKNumber of Items: 1Number in Pack: 1Number of Pieces: 1Packaging: RetailManual/Instructions Included: YesWarranty: NoneSolder Level: Through-holeMinimum Operating Temperature: -40°CMaximum Operating Temperature: 85°CInput DC Voltage: 3 VOperating Current: 14 mAType: LEDModel: 10 mm JumboNoted Onboard Components: Speed PotentiometerDESCRIPTIONThis is a kit that once complete provides a Jumbo LED flasher designed for low voltage - low power operation. Capable of being driven by 3V, this is an ideal emergency light, perfect for grabbing attention. This is a DIY kit and as such will arrive unsoldered. The kit makes ideal practice for hand soldering with clear solder pads and an easy to read circuit board.