·LED Quantity: 40  LEDS                                                                                                                                
·Power Supply: AC220-230V 50Hz                                                                                                                                            ·Battery: Built-in sealed lead-acid battery,rechargeable,non-maintaining (4V 1.2AH)                                                                                             
·Charging Time: 10hours                                                                                                                                 ·Working Time: 10 LEDs for 20 hours;18 LEDs for 12 hours;30 LEDs for 8 hours