1. Input voltage: 220-240V/110-130V2. The surge test actually reaches above 4000V3. Add temperature sensing devices4. Add voltage regulator protection devices5. Overvoltage and overcurrent protection6. Constant power7. Anti-surge rectifier bridge8. Scope of application: flowers, succulents, foliage, fruiting, seedlings, etc.9. 50W: 207x187x25 mm, 0.45 kg10. 100W: 370x240x30 mm, 1.1 kg11. 150W: 370x240x30 mm, 1.2 kg

http://olla.gr/50w-ultra-thin-led-plant-light-full-spectrum-cob-growth-light-vegetable-fruit-and-flower-greenhouse-fill-light-without-plug/