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5dBi Sector antenna
electricity
Hi-vis Orange Colour
75 sheets/pad
Short Circuits Three Project - Ding Dong Door Bell Protective 5dBi Sector antennaAssembly Required Another useful little kit that generates the sound of a classic Ding Dong door bell. Just the thing for your front door. Kit includes PCB, speaker and all components. 12VDC power required. Instructions sold separately or withing the Short Circuits book range, Short Circuits Books are available for Download Here For More Information on Kids science electronics projects Click Here for Kits for Kids
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