Epson PowerLite 685W 3500-Lumen WXGA Ultra-Short Throw 3LCD Projector - Manual (Page 197)

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Lamp life PowerLite 675W :
Normal Power Consumption mode: up to about 5000 hours
ECO Power Consumption mode: up to about 10000 hours
PowerLite 680/685W :
Normal Power Consumption mode: up to about 5000 hours
ECO Power Consumption mode: up to about 10000 hours
ECO2 Power Consumption mode: up to about 9000 hours
Note: Turn off this product when not in use to prolong the life of the projector. Lamp life will vary
depending upon mode selected, environmental conditions, and usage. Brightness decreases over time.
Parent topic: Technical Specifications
Remote Control Specifications
Reception range 19.7 feet (6 m)
Batteries Two alkaline or manganese AA
Parent topic: Technical Specifications
Projector Dimension Specifications
Height (excluding feet) 5.9 inches (149 mm)
Width 14.4 inches (367 mm)
Depth 15.7 inches (400 mm)
Weight 12.6 lb (5.7 kg)
Parent topic: Technical Specifications
Projector Electrical Specifications
Rated frequency 50/60 Hz