Precise T Sub-control 12V 24V Off-line Sound Switch Voice Recognition Inductive Smart Switch With Voice Control Sound Control
 
Precise Sub-control 12V 24V Off-line voice switch is a popular product recently.
Its working principle is based on high-precision speech digital chip for sound wave recognition.
Its advantage is that it is very precise, has automatic learning function, and will not trigger incorrectly.
Compared to voice switches made with analog chips, its cost is higher, but it has better practical effects.
It is worth buying and using.
Please remember the following command words (You could also check picture #3 above)
 
Instruction: 
Please say the command that needs to be executed within 15 seconds after saying the wake-up word 'Hi Light'

Arousal word/wake-up word: Hi-Light
TURN ON THE LIGHT:
Open-the-Light
Light-ON
Turn-On-The-Light

TURN OFF THE LIGHTS: 
Close-the-Light
Light-OFF
Turn-OFF-The-Light
 
Increase Brightness: 
More-Light
 
Reduce Brightness
Less-Light
 
10% Brightness:
Minimum-Light
 
50% Brightness
Medium-Light

100% Brightness:
Maximum-Light
 
Name: Precise Sub-control 12V 24V Voice Switch
Model: LYZ-YY-ENG-SubW
Working Voltage: 12V 24V
Max Load: 60W
Rated Current: 5A
Dimension: D48 × H6 MM
Cable length:  1M
Sensing Range: 0--8M