1. 48LED in the lamp
2. Auto-off-function (when the power failed,the LED light can automatically turn on)
3. Built-in protective circuit against overcharging or overdischarging. 
4. Using 1pcs 4V 1.2AH sealed lead-acid battery
5. LED light can operate for about 6 hours in "Low" Position,3 hours in "High" Position
6. Recharging time : 20 hours
7. Dimension(L*W*H):60*70*260MM
8. Transformer charging,Over charge protection
9.Lumens:120lm    Watt:3Watt