Feature:
1. 3 pcs solar led desk lamp
2. Size:  116x81x340mm
3. Material: plastic
4. Power: solar panel
5. Angle : 180 degree
6. Other power: USB cable,3AAA battery
7. Switch on/off on the base

Solar panel:
1.Size: 9.3x4.4x1.1cm
2. Lithium cell
3. Voltage: DC5.0V
4.Current: 0.4W
5. Charger time: 4 hours in a sunshine day
6. Working time: 4 hours after full charger
7. Working/Store temperature : -5 to 50 degree, -5 to 60 degree
8. Humidity: 10-70%

Service guaranteen
Replace in a year due to product quality case.