3x SIMPLE Kit Dual White Blue LED PIN Flasher Blinker with Ears Transistor - USA

4x mini DUAL LED Flasher KIT Blinker Adjustable BLACK PCB - USA

4x KIT Parts Dual JUMBO LED Adjustable Flasher Flip-Flop Transistorized - USA

9x PURPLE PCB ONLY for Dual JUMBO LED Adjustable Flasher Blinker KIT - USA

5x Tiny Adjustable LED Flasher Blinker DIY KIT [Simple LED Flash Strobe] v2.0

10x PCB Only for Mini LED Adjustable Flasher Blinker Flip-Flop Flash - USA

2x KIT Parts JUMBO Dual White Blue LED Adjustable Flasher Blinker Transistor USA

5x Tiny DIY Basic KIT RC Airplane Dual LED Navigation Lights Adjustable Flasher