Light Sources: 3W LED provides strong and focusing light beam 6pcs White LEDs for the pathway in darkness Batteries: 7.4V 1600mAH Lithium Ion Battery OR 6V 2000mAH Lead Acid Battery Features: Front Switch: On/Off Rear Switch: For Lithium Ion Battery: Switch among 5 different modes 3W LED full brightness mode, dimmer mode, flashing mode, 6pcs White LEDs mode, 3W LED & 6pcs LEDs mode For Lead Acid Battery: Switch between 2 modes [3W LED mode, and 6pcs White LEDs mode] With emergency function upon power failure