<h2 style="margin: 0px 0px 0.618em; padding: 0px; border: 0px; font-size: 1.618em; vertical-align: baseline; font-family: "open sans", arial, sans-serif; color: rgb(54, 50, 48); font-weight: normal; line-height: 1.387em;"><span style="color: rgb(62, 62, 62); font-family: tahoma, geneva, verdana, sans-serif; font-size: 15px; orphans: 3; widows: 3;">lk-120 is designed to provide effective warning in applications where there is no power supply. as lightweight, it can be easily transported to remote locations and folds up to a small size for ease of handling sound rating: 120  2db (a) @1m. output frequency: 600  20hz, effective range: 1.5km diameter. net weight: 9kg. carton size: 45 x 37 x 58cm.</span></h2>