... for MH & HPS lamp Energy saving up to 20% Lifespan: 50,000 hours 110-220V, 35W, 50W, 70W MH/HPS Electronic ... minutes, excellent ground protectionSpecification: Power: 35W, 50W, 70W Input frequency: 50/60Hz Input voltage: 110 to 220V Power factor: >0.95 Frequency ... range: 50/60Hz No-load protection: 5s Usage temperature: 25 to 60°C ...