Model DT330EL is a portable stroboscope. Duration: 30000 hours (3-5 years) Battery operating time: ≤ 10 hours Power: ≤ 100W Dimension: 137 mm * 110 mm * 295 mm Setting accuracy (vibration): ± 0.01% Measuring range Wide flash range: 1-20,000 Hz 36-1,200.000.00 FPM Luminous body Light specifications: American CREE 48pcs 10w (48pcs American cree 10w LED lamp) (handheld model) Lithium battery: 11.1V 2600 MAH AC power adapter: AC220V (110VV)DC 12.6V 1A Housing material: high strength ABS + carbon high strength ABS + carbon Accessories: Aluminum alignment carrying case