aluminium led keychain light features: 1) Aluminum body 2) Push its switch on its bottom 3) Shock proof and water resistant aluminium led keychain light features:1) Material: Aluminum body2) Push its switch on its bottom3) Shock proof and water resistant 4) Battery life: 300 hours of continuous light 5) Battery: 4 x LR446) LED: 5mm; lasting 100000hours, MCD: 11000-13000.7) 1 LED, 3 LEDs or 5 leds ...