led 110v 220v infrared light control human motion sensor switch automatic on/off light switch pir sensor detector smart switch

infrared induction is a kind of lamp that senses the infrared heat source of the human body in an environment with no light, when someone enters the sensing area, the sensing probe will start when it senses the temperature of the human body. automatic products that turn on and off lamps
front sensing, angle 120 degrees, distance 0-3 meters side-mounted, the sensor head is facing the direction of the person passing by, and should not be higher than the height of the human body. if the infrared sensor is installed too high, the light will not be sensed if the human body cannot be scanned..syi