Q1. What app is used to control the light bulb?
A:The app is "Smart Life" which can download in store with Android and ISO.

Q2. How much does adding our logo to the light bulb increase cost per unit.
A: That is for free if you want to add your logo to the light bulb and original packaging.

Q3: Do you offer guarantee for the products?
A: Yes, we offer 2 years warranty to our products.

Q4: Which certificate do you have?
A:CE ROHS FCC are all available.

Q5: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(http://alexa.amazon.com). 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