Fuel gauge indicator lights on Eco Sharp. Easy, convenient, reliable, and super-lightweight. High capacity cells with no-fade power for maximum job performance. No memory effect. Cord-free operation. Eco-friendly. Reliable performance. Provides up to 50 minutes of whisper-quiet run-time. ETL approved. Energy Star certified. Warranty: 90 Days. No assembly required. 6.5 in. L x 3.5 in. W x 2.5 in. H (1.7 lbs.).