size 123*24mm product aluminium alloy body, 5 LED. Built in NI-MH rechargeable battery 1.2V, 600MAH, Featers: 7-8hour under the sun give you up to 2 hour light ideal for home ,auto,camping,fishing and more LED brightness 13000-15000MCD Directions for use: 1 operating instructions Turn off the light Put the item under the sun directly for 7-8 hour to recharge Press ON / OFF button