HAKINAKU 2-Pack 4in1 Plug in Carbon Monoxide Detector & Natural Gas Combination Detectors with Backup Battery CO Gas Temp Humidity 2.1'' HD Screen & Indicator, Methane Combustible Gas Alarm,Black

Features

• 【2-Pack 4in1 CO & Gas detectors】This newest combination 4in1 CO&Gas detectors Integrated carbon monoxide, combustible gas, temperature and humidity sensors, real time to detect the environment gas safety for us.Gas detecting type: carbon monoixde + natural gas, propane, methane, natural gas, coal gas, gasoline, Hexane, butane, benzene, ethyene oxide, acetylene, LPG, LNG, etc.
• 【Plug in&Play design】US standard plug is compatible with 110V to 220V AC outlet. Fits all US standard AC outlet in bedroom, kitchen, living-room, basement, hotel room, office etc.
• 【Built-in 1000 mAh rechargeable backup battery】Provides 9-10h battery power working time, helps to cope with sudden power outages, and also we can use it as a portable CO&gas detectors(short trip). Rechargeable design can help you save the cost of purchasing disposable batteries multiple times. > 10 year battery life.
• 【All gas environment safety we care】 Built-in UL1484&UL2034 standard independent combustible gas sensor and CO sensor, HD screen visible and 85 dB audible design is real time detect the gas environment, bring you extra safety for your and family. To create a full house safety warning for you.
• 【Wider CO & combustible Gas detecting range】CO range: 0-999ppm, when the CO is >50ppm, the alarm will sound. If combustible gases is exceed to the alarm concentration, the detector will sound and the gas bar icon color will change.