(4) D COB (chips on board) LED (light emitting diode) lantern with warning light. Powerful 2000-lumen light output and 10,000 square foot range verified using ANSI (American National Standards Institute) test standards. Will run for 7 hours on high and as long as 50 hours on low. A dedicated red safety flasher and SOS light provide added safety signaling for you and your family. Impact and weather resistance make this the ideal lantern for any outdoor activity. Features a curved COB LED and reflective lens design. This unique feature helps distribute area light further and more evenly for up to 10,000 square feet. Four large COB LED panels provide 360 degrees of area light. (4) D batteries included.