Sensitive: with dual probe design. The sensing angle in the left and right direction exceeds 180 degrees, the sensing distance exceeds 12m / 39.4ft, the sensitivity defaults to 5LUX, and the 5LUX-5000LUX is adjustable. Easy to install: The PIR motion sensor smart switch is easy to install, safe and efficient, suitable for homes, offices, shops, hotels and hospitals. It is especially suitable for places where lights are automatically switched, such as corridors, warehouses, etc. Automatic work: Automatically activate when a pedestrian enters the sensing range (turns on the light) and automatically delays when leaving. The delay time defaults to approximately 20 seconds and the adjustable range is 15-300 seconds. Automatic metering: This product uses light-sensitive control and has automatic metering function. It only works when the light is dim and works when the day is adjustable. Product Quantity: 1 Piece Product color: white Product size: 86*86mm Two-wire - dual-probe sensor switch