The Streamlight Nano Flashlight could be the most useful $6 keychain you can buy
Personalized Mini LED Flashlight Nano Keychain Gifts for Dad - Etsy España
Amazon.com: Streamlight Nano Light - Llavero miniatura con linterna LED, color negro con batería IEC-LR41, paquete de 4 : Herramientas y Mejoras del Hogar
Streamlight Nano Light White LED Flashlight, 8 Hrs 10 Lumen Weatherproof, Black | eBay
Streamlight 73005 Nano Light 10-Lumen Miniature Keychain LED Flashlight, Red - Key Chain Flashlights - Amazon.com
Streamlight Blue Nano Light Flashlight | Compra online en eBay