Cheap And Discounts Stainless steel probe, Wall-mountable air temperature sensor, transducer, the output signal: 4 ~ 20 mA / 0 ~ 5V / 0 ~ 10V Wholesale. Buy Directly From Merchant Beijing HYXC Technology Co. Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.