led emergency light(Model:HO-1940)

led emergency lightfeatures: Battery:4.0V/0.9AH Sealed Lead-acid rechargeable battery LED:19PCS Charging Time:Approx.20-24hours Duration time:Approx 8 hours Demension:105*105*100mm AC:When the light bulb to use AC directly DC:DC calls automatically recharge when power light bulb Operting insturctions: 1.when operating the lights is suddenly dim,that the circuit of over-discharging prevented to damage battery.please recharged the battery at once. 2.the lantern must be recharged at least 8 hours every three months. 3.when not in use,please swith off the light. 4.do not use or please the unit near water. 5.the efficiency may decrease is used or charged when termperature is below 32f(0) or above 104f(40).