Please note, that our sensors contain batteries that are governed by the regulation "UN 3091 Lithium metal batteries in equipment". Please follow our instructions below closely in order to avoid impediments when shipping our sensors. 

Once you do not need the sensors anymore, you can ship them back to us (Valenco GmbH). Please follow the below instructions to make sure that the sensor reach Valenco GmbH correctly.

1. Please make sure you deactivate the sensors before you send them back to us. You can find the deactivation instructions in our Sensor Handling Guide.

2. You can use any carrier you want there is no special one.

3. Prepare a proforma invoice: as customs want to know for what these sensors are being used to, they need some information about them and the material they are made of. Therefore, please put the following description on the invoice:

“We would herewith like to declare the intent of use of the delivered product. The delivered goods will be used to measure temperature and moisture in agricultural outdoor applications. They will be used as probes in the soil to determine the indicated parameters. The material, they are made of is polyethylene and aluminum.”  

Below this text you can add the EORI number: 9026.2000. Our VAT is: CHE-353.452.684

Return shipping address for customers in the European Union (EU):

Regarding the procedure what is indispensable for the proforma invoice and recipient shipping address is the below information

Streck Transport GmbH

c/o Valenco / O. Dziergwa

Brombacher Straße 61
79539 Lörrach
Germany

Tel.: +49 7621 177 252

Return shipping address for customers outside the European Union:

Regarding the procedure what is indispensable for the proforma invoice and recipient shipping address is the below information