Quick Details Place of Origin: Guangdong,Website:http://www.df-emergency.com, China (Mainland) Brand Name: DF Model Number: EL-12W Bulb Type: LED Battery Type: Li-ion battery pack Material: Cold Rolled Steel Sheet Usage: emergency lighting Certification: CE Specifications: 12W SIZE: 170MMPackaging & DeliveryPackaging Details:Neutral packingDelivery Detail:sample:1-3days, bulk:5-7days,above 1000pcs:7-12daysProduct Description1) Power: 12W 2) Conversion Efficiency: ≥90%3) Working Lifetime(Hour): 30000 4) 23 years warranty 5) High quality and Manufacturer PriceLED Emergency downlamp:12W 3hoursPart No.EL-12WProduct NameLED emergency lightsBattery capacity3.6V Lithium batteryEmergency Powerabout 6WInput voltage AC 90~280V, 50/60HzLuminous flux:>1000LMCRI>80Working Test button YesDimension(Diameter):170mmPower factor:>90%Duration 3 hours or custom-madeBattery protection YesOperation temperature-20--50℃ , 65+20% RHHighest Surface Temperature50°CBattery3.6V Rechargeable battery packCharging Time>24h without break