When the people come . the lamp will be on automatically. and when the people leave . it will be off . no need other switch. If the people keep active in sensor area, the lamp will be keep light until the people leave.

Voltage: 220V/110V/12V/24V
Power: 4W/7W
Rated Power: 0.1W/0.01W
LED quantity: 60pcs/100pcs φ5
Control: Infrared and optical
Colour temperature: 3000-6000K.
Size: Φ260mm H: 70mm
Sensor Range: ≥140 degree; 5M