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STARTER Project kit For Diy Mini Laser security system 1LDR / BC547/ Mini buzzer 5v /1.5v battery/mini breadboard / 4cell battery holder/laser
laser security system kit
package includes 1LDR / 1BC547/ 1Mini buzzer 5v /4×1.5v battery/1 mini breadboard / 4cell battery holder/1pcs laser
This laser security alarm is economical and you can make it at home without any professional skills required
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