1, Just need 15 miniuts to heating 5 liters 20 water rise to 100. 2, Rated power: equal to 1500W electric heater. 3, Weight Bearing: 8kg 4, Reflector diameter: 1.5m 5, Power out put: 1000-1800W 6, Focus Length: 650mm 7, Focus temperature: 800-1200 8, CTNS Packing: 9, Container Loading Sets: 20GP/390sets; 40GP/790sets; 40HQ/960sets