Input Voltage‎:‎ 220 v Shape‎:‎ Round Material ABS Plastic LED 19 pcs Dimension‎:‎ 132*132*135 mm Duration time Approx 8‎-12 hours Lead acid rechargeable battery 4.0 V‎-0.6 MAH Charging time Approx 20 to 24 hours FEATURES Battery in side have over charge protection function‎,‎ when battery is fully charged‎,‎ it will stop automatically‎,‎ that make the product more safety and longer life‎,‎can be used as backup light bulbs‎,‎ short time charging but long time backup‎,‎ energy saving led is highly luminous efficiency‎,‎ consumes only 10% power of incandescent lamp‎,‎ reaching the same illuminating effect‎,‎ led safety the led belongs to cold lighting sources‎,‎ environmental friendly‎,‎ pay attention to explanation When operating the light is suddenly dim‎,‎ that the circuit of over‎-discharging prevented to damage battery‎.‎ Please recharged the battery at once‎,‎ the lantern must be recharged at least 8 hours every three months‎,‎ when not in use‎,‎ please switch off the light‎,‎ do not use or place the unit near water‎,‎ the efficiency may decrease if lantern is used or charged when temperature is below 32 f 0°C or above 104 f 40°C