Specifications: Material: Flame-retardant ABS + Metal Base Type: E26/E27 Power Source: 110-240V/AC Power Frequency:50/60Hz Rated Load:<100W Max. Detection Distance: 8M max Time-Delay: Min.5sec±2sec Max.8min±2min (adjustable) Ambient Light: 2-2000 LUX (adjustable) Installation Height: 1.8m-2.5m Package Included: 1 x E27 Motion Activeted Light Socket Installation: Simply install in an existing light socket (indoor only) and then screw bulb into the fixture, no tools needed. Then your lamp will become a Motion Sensor Light Socket. Time Button: Time Button adjustment can set the duration for which it will be "on", “?” means short time, and “+” means long time, but the minimum time is 5sec±2sec, the maximum time is 8min±2min, Sens Button: Sens Button adjustment can set the sensitivity, and it doesn't need to adjust generally, but if your bulb would be always on because of the high sensitivity, you should adjust the Sens Button to the “?” position; Lux Button: Lux Button adjustment can adjust the light to work all day or only at night, Turn LUX knob to SUN position, it will work in daylight and at night, Turn LUX knob to Moon position,it will only work at night. NOTES: 1) Can be only used indoor, and the Motion Sensor Ball must be installed Fix Downward Only. 2) It can't work in any lamp shade, So Please do not fix the socket into an enclosed lampshade,or the glass shade will block the sensor. 3) Its working temperature is -4F-104F, if the weather is too cold or too hot, the sensor may not work well, Please take care of this before buying!!