Product  have 18 pcs high brightness LEDs,4.0V/0.7AH sealed lead-acid rechargeable battery,duration light time:approX8houes,Three-way switch:AC,OFF,DC;when operating the lightis 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;