๐ข Itho Daalderop I2C optieprint CO2 sensor DemandFlow 536 0430 Vulnerable electronic parts:No return options when the packaging is opened Includes earthed plug Order an ESD wristband:Yes, a wristband Includes earthed plug Service friendly and low maintenance This is only possible if the packaging is unopened due to possible damage caused by static electricity it is best to order a wrist strap to prevent static electricity