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3at Class 4 (For Non-Environmental Units)
5dBi Sector antenna
75 sheets/pad
Plug/Connector Type: IEC 60320 C20
Recommended PSU 500W
Short Circuits Three Project - Ding Dong Door Bell Protective 3at Class 4 (For Non-EnvironmentalAssembly 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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