Carbon Monoxide Alarm with Voice Warning CO Alarm Detector with Digital Display It is worth to point

It is worth to point out that while the oscilloscope is a STM32 microcontroller with a color TFT LCD display (STM32F103C8) develop experimental board

4Ω Dual Coils(Pre-installed)

Color: As shown

The Green tank features food grade silicone drip tip

Carbon Monoxide Alarm with Voice Warning CO Alarm Detector with Digital Display It is worth to pointProduct Features: Sound and Light Alarm When a dangerous level of carbon monoxide is detected the red light will flashes and a loud alarm pattern will sound Loud 85 decibel alarm with red light Flash to protect your family's life and property safety CO Concentration Display Digital display displays the level of carbon monoxide the unit is sensing, you can keep abreast of the concentration of carbon monoxide Energy Saving Operated by 3 x 1. 5V AAA