·LED Quantity: 30 LEDs +1 LED(1W)                                                                 
·Power Supply: AC220-230V 50-60Hz                                                                                                                                           ·Battery: Built-in sealed lead-acid battery,rechargeable,non-maintaining (4V 1.2AH)                                                                                                
·Charging Time: 12 hours                                                                                          
·Working Time: 1 LED(1W) for 5 hours;18 LEDs for 12 hours;30 LEDs for 8 hours