SMI100RV Smoke Detector 9V Battery PoweredAn ideal pocket-sized reference book for comprehending maritime flags. This guide is both comprehensive and concise, encompassing: Early detection of smoke and fire emissions to avert personal injury with the SMI100RV Boat and RV Approved Battery-Operated Smoke Alarm, which is sanctioned for use in boats and recreational vehicles, adhering to the latest industry standards. The detector has a hinged cover for effortless battery replacements, while the tamper-resistant locking pin prevents premature battery removal.Features: Detect Smoke and Fire Emissions Early to Prevent Personal Injury With Model SMI100RV Compact Design: 5.58 Diameter x 1.99 Height Fast Easy Installation 9V Battery Powered, No Wiring Required Low Battery Indicator Silence Feature Test Button Easily Accessible on the Cover of the Alarm Alarm Horn: 85 dB @ 10 ft Smoke Sensor: Ionization Listed to UL217 for RV Use Eighth Edition Complies with U.S. Coast Guard Sect. 28.325(b) Package Contents: Smoke Alarm 9-Volt Battery table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Truck Freight: No Oversized: No