Big Larry work light has 4 light modes: work light is 400 Lm. for 4.5 Hr., top light is 160 Lm. for 12 Hr., red light for 20 Hr., and emergency red flash mode for 40 Hr. that is perfect for distress signaling or roadside emergencies. Anodized aircraft-grade aluminum body with recessed LED housing is water and impact-resistant. Top-positioned On/Off button. Powerful magnetic base. 7.5 In. L. with 0.875 In. barrel diameter and 1.125 In. head diameter. 0.45 Lb.