Feature 1Highaccuracy sensor, after compensation algorithm, multistage standard gas calibration, with high stability. 2Quick and sensitive response, strong antiinterference ability, high repeatability and long service life. 3Concentration over limit alarm, when the concentration exceeds preset alarm value, it will alarm, and upper and lower limits can be set. 4Combustible gas alarm, small in size, suitable for many occasion such as homes, offices, factories and so on. 5Support wallmounted installation, with remote control, can modify the upper/lower gas limit, alarm interval, etc.Item Type: Gas DetectorMaterial: ABSWeight: Approx. 295g / 10.4ozUses: Suitable for various occasion such as home/office/factoryPower Supply: 10-30V DCAverage Power Consumption: 0.6W (24V DC)Remote Control Battery Attributes: 1 x CR2025 Button Battery (Battery Not Included)Product Size: Approx. 110x110x44.55mm / 4.3x4.3x1.8inInstallation:Punch holes in the wall first, fix the mounting base to the wall, and pay attention to the installation hole diameter and spacing (please refer to the instruction manual for details). .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; }Package List1 x Gas Detector1 x Remote Control (Battery Not Included)2 Bag x Accessory Kit (4Pcs)1 x ManualNote1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.