Speak Recognition, Voice Recognition Module V3

Dimensions: length 40 mm * 40 mm * 100 mm
Wavelength: 445nm / 450nm
Output Power: 15 W pulsed, 8 W average
Modulation frequency: ttl can be modulated, 0v-off, 5 open, switching frequency Operating voltage: DC = 12
Operating Current: moretahn 3A
Focal length:not regulated
Operating Temperature: 15 ? ~ 45 ?