# ITC-608T Sensors Jack Size? 3.5mm 2.5mm? Looking to buy extension cable

**URL:** <https://community.inkbird.com/t/itc-608t-sensors-jack-size-3-5mm-2-5mm-looking-to-buy-extension-cable/333>\
**Category:** Questions & Answers\
**Created:** [February 12, 2022, 12:17am UTC](https://community.inkbird.com/t/itc-608t-sensors-jack-size-3-5mm-2-5mm-looking-to-buy-extension-cable/333 "2022-02-12T00:17:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ITC-608T](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.inkbird.com/itc-608t/32/126_2.png) [@ITC-608T](https://community.inkbird.com/u/ITC-608T)\
**Post date:** [February 12, 2022, 12:17am UTC](https://community.inkbird.com/t/itc-608t-sensors-jack-size-3-5mm-2-5mm-looking-to-buy-extension-cable/333/1 "2022-02-12T00:17:01Z")

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Does anyone know which size jack the temp and humidity sensors the ITC-608T uses?

![jack_1_40](https://canada1.discourse-cdn.com/flex031/uploads/inkbird1/original/1X/39bd6849f89d80a064c259220aab7e76731eef7f.png)

I am trying to buy the right size cable to extend the probe length.

Thank you

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**Author:** ![Tania](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.inkbird.com/tania/32/88_2.png) [@Tania](https://community.inkbird.com/u/Tania)\
**Post date:** [February 14, 2022, 7:03am UTC](https://community.inkbird.com/t/itc-608t-sensors-jack-size-3-5mm-2-5mm-looking-to-buy-extension-cable/333/2 "2022-02-14T07:03:03Z")

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Hello,  
The jack is 3.5mm.