... lithium battery , 4 hour working time.Support switching on/off iPad, iPhone, iTouch, etc. full range ... 1*Ethernet port(Wlan/Lan)---1*USB 2.0 for connecting 3G USB modem---1* 3G ... DSL and Cable modem), dynamic IP, static IP broadband access---Support Auto Dial, on-Demand Dial,Regular Dial requirements--- ... 5×61.5×21(mm)---Installation Environment--Temp.:0~40oC, humidity:10%~90%RH, non-condensingAccessory ...