Product size: (L*W*H) 120 * 74 * 39mm 
Color box size: (L*W*H) 140*95*55mm
Product Net Weight : 192g/piece
Outer Packing Meas: (L*W*H): 55X27X45(CM)
Packing: 100 pieces / carton
G.W: 21KG

Q1. How to connect to Amazon Alexa?
A:

Step 1:Add Device
Make sure there's at least one device in device list. Supported devices includes smart light, socket, heater, etc.

Step 2:Modify device name
Modify device name that Echo could easily recognize. Such as: Living room Light,Bedroom Light.

Step 3: Set up Echo
Use Alexa APP or computer(). Set up Echo from "Settings".

Step 4: Add Skill
Add"Skill"in Alexa App or computer. Enter into the skill and search for TuyaSmart. Tap on "Enable Skill"and enter your TuyaSmart account & password to finish binding.

Step 5: Control Device
First of all, it need to discover devices. Speak to Echo:Alexa(or Echo),Discover my devices. After about 20s, Echo tells you how many devices found. You could then voice control devices, only support English.

Support the below voice commands:
Alexa(or Echo),turn on bedroom light
Alexa(or Echo),turn off bedroom light
Alexa(or Echo),set bedroom light to 50 percent
Alexa(or Echo),increase bedroom light to 50 percent
Alexa(or Echo),decrease bedroom light to 50 percent

Q2. What is its lead time for samples and mass production?
A:Within 3 work days for samples and 20 work days for mass production.

Q3. Could you pls tell me your package details for us calculating freight?
A: IInner Packing Meas. (L*W*H):88*41*62mm;Outer Packing Meas. (L*W*H):375*300*215mm;Product Dimensions: (L)80*(W)37*(H)55mm;N.W/G.W:7.2/ 8.3kgs

Q4. How to proceed an order for smart bulb?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.

Q5. Is it OK to print my logo on the products?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q6: Do you offer guarantee for the products?
A: Yes, we offer 1 years warranty to our products.

Q7: Which certificate you have?
A: CE ROHS FCC are all available