Features 

• 180 Days Warranty
• Bulb Power: 280 W
• Lamp life up to 3000 hours (Eco Mode)
• Bright and stable with great reliability

This bulb is a replacement part for Optoma BL-FU280A / DE.5811100173 projector lamp and works with projectors listed below. 

Optoma EP774

Optoma EW674

Optoma EW674N

Optoma EW677

Optoma EX774

Optoma EX774N

Optoma EzPro 774

Optoma OPW3200

Optoma OPW3500

Optoma OPX4000

Optoma TWR1693

Optoma TX774

Optoma TXR774

Specifications 

Lamp Power: 280W

Lamp Life (STD): 2000 Hours 

Lamp Life (ECO): 3000 Hours 

Warranty 

All parts cost covered for 180 days from the date of purchase. 

Terms of Purchase 

1. Payment method  
We accept PayPal as the only payment method. Immediate payment is needed for any transaction.  

2. Shipping & Delivery 

So far, we ship orders to Australia, Canada, European countries and United States. 

If your country is not on the shipping list, please contact us for an adjustment. 
Orders will be shipped out within 1 - 3 business days accordingly providing with a tracking number. 
The estimated delivery time and service carriers are listed as below: 

Australia 

 Standard: 7-15 Days, 
 Expedited: 3-7 Days (DHL); 

Canada 

 Standard: 7-19 Days, 
 Expedited: 3-7 Days (DHL); 

European Countries 

 Standard: 7-19 Days, 
 Expedited: 3-7 Days (DHL); 

United States 

 Standard: 7-15 Days, 

 Expedited: 3-7 Days; 

Rest of the World 

Economy: 11-35 Days 

3. Return policies 

We accept returns or exchanges for unused or unopened items within 30 days of delivery date. 

Your return or exchange request will be fulfilled accordingly as following situations. 

(1) Damaged or defective items upon delivery: Return for refund or exchange, all extra shipping fees on us. 

(2) Wrong item received: Return for refund or exchange, all extra shipping fees on us. 

(3) Items you don't like or need: Return for refund, original and return shipping fees on buyer, 10% restocking fee of item's price will be charged. 
Please contact us via eBay message as soon as possible if something wrong with your order(s). You may need to take pictures or videos of damaged or defective items if necessary. 

4. Feedback 

We expect you're fully satisfied and happy with every purchase with us. If you really are, please leave us a 5-star feedback for every transaction. Feel free to let us know when something isn't going very well on your order. We'll take on our responsibility and make the best effort to resolve the issue. Also we appreciate your patience and understanding on dealing with a problem of a transaction. Thank you.