BUAGOUWZ RV Propane Gas Detector 2-in-1 CO & Alarm, 100dB, 12V DC System

Easy Operation and Efficient:The RV C0 & Gas Detectors is equipped with lever-nut connector to greatly reduce the wiring work time. Replace traditional electrical tape and wrapped butt connectors. The RV detector is designed with 12v DC +/-20% wide operational voltage Visual & Audible Detector:Digital LED display shows the level of C0 and the C0 Detector and gas detectoris sensing 2 in 1 RV C0 & Gas Detectors:R503 Detector adopts two and highly sensitive sensors specifically designed for RVs.The used to detect C0 & gas leak in Motorhome Travel Trailer, Motor , Truck , RV and other similar applications Installation And Operation Guide : Face Cover Size: 4 5/8" Width X 4 5/8" Length", Wall Cutout Size: 2"~3 15/16"Width X 3 3/8"~3 15/16"Length. The distance between screw holes are compatible with 31011. Equipped with lever nut connectors, the installation requires no tape or wiring