Characteristic 2.1 Environment protective ABS material is used for the product case. The case has the advantages of environment protection, flexibility and good brightness. 2.2 As light source, the high brightness white light LED is applied. The operated life is over 100,000hrs with 3 square meter of efficient illumination area. 2.3 Three built in control switches of operating states: OFF, ON and AUTO. 2.4 3 functions under AUTO model: Body Infrared Sensitive, light control and time control. 2.5 The sensitive angle shall be bigger than 90 degree, the sensitive distance shall be more than 2.5 meters. The illuminance delay time shall be about 20s. 2.6 For 4.5 V battery, the operating current is below 95mA, stand-by current is less than 0.085mA. 2.7 Battery operating life: 3 AA alkalescence batteries are applied. 15 hrs while operating continuously, 32hrs while operating interruptedly. 20 seconds for delaying illuminance, and it can be used 80 to 110 days while you use the lamp 0.2hr per day.