Specifications Model GC300Detect Method Electrochemical SensorMaterial ABSColour BlackCharging Interface Type COperating Voltage DC5VApplicable Gas COMeasurement Range 0 999 ppm parts per million Resolution 1PPMWarm up Time 35 secondsAlarm Volume ≥85dB at 1 metre Data Refresh Rate 2 secondsDisplay Type LCDBattery Type 1000mAh rechargeable lithium batteryOperating Temperature Range 20°C to 60°COperating Humidity Range 0 to 95 RHDimensions 95 56 17 2 mmApplications Homes offices garages factories vehicles etc Features 1 High definition colour LCD display Ultra clear colour screen paired with high precision sensors for real time CO gas concentration monitoring delivering intuitive readings 2 3D multi perforated air duct design Advanced 3D airflow technology enables precise monitoring through continuous air circulation and convection 3 High volume rapid alarm Emits a loud audible alert when carbon monoxide exceeds safe levels with readings updated every 2 seconds 4 Adjustable BrightnessExtended Battery Life Easily regulate screen brightness for optimal visibility Features a built in 1000mAh battery with Type C charging suitable for indoor and outdoor monitoring 5 Versatile Applications Suitable for indoor and outdoor settings including homes kitchens catering establishments and residential areas helping prevent gas poisoning and explosion incidents Packing Includes 1x Carbon Monoxide Detector1x USB Charging Cable1x User Manual