headlight Extremely bright light, 3W LED, 3.6V Lithium battery headlight Technical Data Optical ... (excluding headband) Electrical specifications * Illumination Source: extremely bright light, 3W LED. Life 20000 hours continuous burn. * Battery: 3.6V Lithium battery ... class II equipment Features: * Lightest weight and most compact 3W LED unit. This light supplies bright, white, shadow-free light ...