Circular LED lamp E27 16W 1440lm 4000k natural light Wiva General characteristics Brand: Wiva EAN code:  8054890170093 Supplier code: 12100375 Operating voltage (V): 220-240 Lamp nominal power (W): 16 Lamp current (A) : 0.140 Attack : E27 Operating frequency (Hz) : 50/60 CCT (K) : 4000 Color type : NATURAL LIGHT Dimensional characteristics Diameter (mm): 150 Length (mm) : 80 Performance Luminous flux (lm) : 1440 Efficiency (lm/W) : 90 Power factor : >0.5 Color rendering : >80 Lifetime (h) : 25000 Energy class: A+ Consumption in kWh/1000h : 16 Other characteristics Number of ON/OFF cycles : > 20000x Heating time up to 60% of total efficiency : INSTANT Trigger time (s) : < 0.5 Dimmable : NO Ambient temperature of use : -20 / +40