... dustproof; 3)Easy to use 4)Cheap price Soalr Reading Lamps /Infrared Motion Sensor Lamp solar Reding Lamp details 1. Working ... the recharge battery ,at light when the body's soft-infrared is detercted ,it will automaticalkly lighting,after 30 seconds / ... , 4500mAh lead acid storage battery Applicable Lighting Source :5W LED Lamps Control System : micro-computer intelligent controller Working Time : 30 ...