Welcome to our store! 1,The design is novel, the detection angle is 120 degrees, more wider to detect. 2,Ceiling installation is extremely simple and convenient, works more effectively. 3,Wide range of applications, suitable for gas, natural gas, smoke alarms and so on. 4,The detection range and distance is about 22m/22yd, to better meet your needs. 5,Made of ABS materials with stable performance, have a longer service life. <p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: Sound Light Fire Alarm Material: ABS Working Voltage: 9-24V Alarm Current: 100-300mA Quiescent Current: 10μA Type: Siren Detection Angle: 120 Degrees Detection Distance: Approx. 20m/22yd Installation Method: Ceiling Type Working Temperature: -10 to and50 ℃ Application: Gas, natural gas, smoke alarm <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Sound Light Fire Alarm 1 x Screw Installation Package 1 x Bottom Fixing Plate Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia