Model NO: JK90I
Sound-photoelectric control switch.
Features:
1) unite sound controlling and light controlling function
2) Energy saving
3) Automatic time delay
4) Perfect performance
5) Competitive price
6) Apply to corridors, garages, warehouses, and basements.
  specifications:
1) Working voltage: AC 220V / 50Hz
2) Load power: <60W
3)Sensitive: 50-60db
4) Time delay: 30 - 90seconds (adjustable)