VEVOR Carbon Monoxide Detectors, 0-1000PPM Portable CO Detector with Audible & Visual Alarm, Handheld CO Gas Meter Tester with Temp Sensor, LCD Backlit Screen for Industrial/Home (Include 3 x Battery)

VEVOR Carbon Monoxide Detectors, 0-1000PPM Portable CO Detector with Audible & Visual Alarm, Handheld CO Gas Meter Tester with Temp Sensor, LCD Backlit Screen for Industrial/Home (Include 3 x Battery)Dual Alarm SystemLed Backlit Display & Temp Unit SwitchingQuality in the DetailsWide ApplicationsHigh Quality & DurableErgonomic DesignOperating Temperature: 32°F - 122°F / 0°C - 50°C,Operating Humidity: 0-70%RH,Measuring Range: 0-1000 PPM,Operating Voltage: 4.5V,Display Screen: LCD,Item Model Number: CO-01,Product Weight: 0.29 lbs / 0.13 kg,Product Dimensions: 6.10 x 1.97 x 1.22 in / 155 x 50 x 31 mm,Operating Current: About 5mA,Main Material: ABS