Light Source: LED Item Type: Bulb Lights LED Light Source: 4 pcs high power LED Type: round Input Voltage(V): AC85-265V Lamp Power(W): 4 Lamp Luminous Flux(lm): 440 Lamp Luminous Efficiency(lm/w): 110 CRI (Ra>): 75 Color Temperature(CCT): CW,WW,PW Working Temperature(℃): -20 - 50 Working Lifetime(Hour): 50000 Lamp Body Material: Aluminum Certification: CE, EMC, RoHS Base Type: E27/E14/B22 Place of Origin: Guangdong China (Mainland) Brand Name: HANSGP  Model Number: ES-B1W4-02 Input Voltage: AC85-265V/50-60Hz Power: 4W±10% Luminous Flux: 410~440LM(100~110 lm/W) Base: E27/E14/B22 Lens Angle: 120° Material: Aluminum+PC cover Certificates: CE & ROHS, IEC60598 Lifespan: ≥50,000 Hrs Warranty: 3years Correlated Color Temperature: WW/ PW/ CW