Audio Carbon Monoxide Detector CO Gas Alarm Warning Sensor Monitor Home Kitchen

Features: Color: White Size: Approx. 11.2 x 3.4cm/4.41 x 1.34'' Model: RH-105 Installation method: Wall hanging type The reference standard: EN 50291 Detection concentration: 000-999ppm Sensitivity level: 5ppm Error: +/-10% Alarm concentration reading: 030-999ppm Operating voltage: 4.5V Power supply: 3 x AA battery (Not include) Operating temperature: 0-50 ℃ Working humidity: Relative humidity 10-95%RH Power display: Low power alarm A smart carbon monoxide detector with voice prompt, support displaying of the carbon monoxide gas concentration. With digital LCD screen to show the concentration from 000-999PPM, can low battery warning alarm. This product can be well used in villas, factories, shopping malls, warehouses, office buildings etc. indoor places. Package Included: 1 x Carbon Monoxide Detector 1 x Set Of Install Screws Detail Pictures: