Model Number: RSD-9022L-88EM-E Brand Name: Ristar Key Specifications/Special Features: LED ceiling lightRSD-9022L-88EM-EMaintained 3 hours emergency options available to meet the sudden blackout in order to keep as normal use, rechargeable battery charged in AC within 12 hours, 30% nominal power cost duration 3 hours. Electrical Data InputVoltage AC220-240V50/60Hz Rated Power 18W LEDQuantity 88pcsSMD2835 Power Factor PF>0.9 OpticalData ColorTemperature WarmWhite,PureWhite,CoolWhitefor option BeamAngle 120Degrees Lumen(±10%) 1400Lm Lamp Luminous Efficiency 77Lm/W CRI Ra>80 Other Properties IPRating IP66 IK Rating IK10 Material PCBase + PC Diffuser Dimension Φ360*105mm OperatingTemperature -20~+40degrees Lifespan 30,000hours Warranty 2years Certification CE /CB /EMC /RoHS EmergencyData Type Maintained Battery(High Temperature) 6.0V 1500mA NI-CD HT TUV Emergency Output 30% nominal power Emergency Duration 3 hours Charge Time <12 hours