Physical Optics Instrument Light Reflection Refraction Demonstrator for Students for Sale

Physical Optics Instrument Light Reflection Refraction Demonstrator for Students For Sale

$Physical Optics Instrument Light Reflection Refraction Demonstrator for Students$
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Physical Optics Instrument Light Reflection Refraction Demonstrator for Students:
$19.90

Physical Science Optical Experiments Light Reflection and Refraction Demonstrator Foldable Student Teaching Instrument ToolsSpecifications:
Item Name: physical optics instrument
Model Number: JY-01
Shape: Semicircle
Usage: Optical
Structure: Semicircular
Suit for: Junior high school physics teaching
Material: aluminum,metal, plastic
Foldable: yes
Refraction: yes
Reflection: yes
Weight: about 455 gScope of application:
This instrument is suitable for middle school physical optics, verifying the laws of light emission, diffuse reflection, and refraction.
Payment
1. We only accept payment from Paypal and all major credit cards accepted by Paypal.
2. Payment is required to be made within 6 days from the closing date of your sale or purchased.
3. If you don\'t pay in time, we can\'t promise we will keep the item you offerden in stock all the time.
4. Any problem with payment please contact us first.
5. For getting back the trade final fees from , we will file a non-paying buyer alert with .Shipping
1. We only ship items to your confirmed address in (except APO/FPO), so please make sure the address is correct before purchase.
2. Items of most orders will be shipped out within 1-3 business days upon receipt of your payment confirmation and you can receive them within 10-21 business days. Delivery depends on destination and other factors, it may take up to 21 business days or more.
3. We are not responsible for import charges or fees.Return Policy
1. We fully guarantee Customers benefit within 30 business days if item DOA (damage on arrival), and please contact us within 30 days from the delivery date to exchange or refund. No need click \"Return\", please just contact us via Message. You will get the replacement or refund through the communication between us.
2. When you sign the parcel, please check it carefully. If there is any damage or shortage for your parcel, contact your Post Office or Express company immediately, please send video or photos to our service staff at the same time.Contact us
1. You can contact me if you have any questions.
2. Via message system, you will get our response within 24 working hours during business days from Monday to Friday. We apologize for the late reply during the holidays or weekends.
3. Please send all correspondence through the messaging system. All Technique questions, must be asked via message.
4. Emails will be applied during business hours: 8:30A.M. to 5:30P.M. Beijing Time. Monday to Friday only (excluding Holidays). After hours Emails will be replied on the next business day.
5. Your satisfaction is important to us. If you are not satisfied with our products/services, please contact us BEFORE leaving us any neutral or negative response, we will try our best to resolve any issue.
6. We appreciate your positive response if you are satisfied with your purchase. If you satisfied our items and service, hope you could leave a positive response with all stars (Item as described, Communication, Shipping Time, Shipping and handling charges) for me.