1，Material:PMMA  

2，Beam angle: 8 degree

3，Transmittance: 94%

4，Working Temperature: -35° to +90°

5， Suitable led brand: philips lumileds ;Addison led

6，Suitable led light: led downlight， led spotlight， led underground light，led flashlight etc

     We accept Alipay， Western Union，Escrow ，T/T etc.

1.  We will send the parcels within the time showed in this listing after buyer\'s payment is verified by Aliexpress.
2.  Service transit time is provided by the carrier and excludes weekends and holidays. Transit times may vary， particularly during the holiday season.
3. We only ship to the confirmed address provided by Aliexpress.
4. Shipment did not include the customs duty

• EMS:5~9 working days.
• DHL， UPS， FEDEX， TNT: 3~6 working days.
• AliExpress Standard Shipping : 12 ~ 30 working days
• China Post Registered Air Mail: 12 ~ 30 working days

1. All the  items will be 100% tested and be with security packing before delivery.
2. We promise 3 years warranty，If there is any problem， exluding personal factor， We promise to repaire or change new products for customers. 
3. We greatly appreciate your positive feedback with 5 stars to us and will do the same to you.
4. If for any reason you are not satisfied with your purchase， please contact us to resolve any problems before leaving feedback. We will reply and offer assistance immediately.

1. If you are not satisfied when you receive your item，Buyers should report the defective problem within 7 days after receipt of the item ，for exchange or refund， Please contact me before you return it. 
2. If item is defective in 90 days， We will send you a replacement or offer refund after we receive the defective item. And buyer takes on the returning fee. We will be responsible for resending fee.
3. If item is defective after 3 months， you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee for back and forth freight.