Features:mini gadget2 LEDs flash alternatelycan be used as a pendant (cord supplied)great as attention grabberideal introduction into SMD (Surface-Mounted Device) technologysome extra parts are supplied, in case some get lost or damagedSpecifications:power supply: 3V Li button cell (e.g. CR2025 or CR2032)power consumption: 5mA approx.Dimensions: Ø29 x 8mm
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