No installation needed,directly ready for operation;
Light control function:With light sensor,only work when the ambient brightness is not strong enough(less than 10LUX), not be working in the daytime.
Sound control function:Automatically turns light on when there is people's voice, hand clap, footstep or stomping sound etc. Off 15s-150s delaying time.
 
Widely used in the gangway and aisle of enterprises, hotels, hospital, school, hall, office, basement, warehouses and houses etc.
Energy efficient, economical, convenient, practical.