True Utility TinyTorch - Mini Keyring LED Torch The perfect key-ring torch, with 2 powerful 5mm 'cats eyes' LED's Produces 8+ lumens of light and can run up to 50 hours; 3 button cell batteries included with purchase Simply operate with a permanent on/off button Made out of aircraft-grade aluminum for added durability Measures 2 x 0.7 x 0.7 in; weighs 0.6 oz.