1. 4 indicate lamps display power 2. function: ①Power bank        ② ADSL Internet  ③ 3G turn to wifi ④ Network relay

Capacity:  5200/4400 mAh Input:  5V 1A   Output: 5V 1A     Battery:  Li-ion Battery 18650  Charging Port:  Mirco USB Dimension:   100*45*30 mm    Product weight:  135g Gross weight:   158g Color: Orange, Blue, Red