Cheap And Discounts Analog Signal Conversion Module CDEBYTE TF22-AAC24V Input Voltage 4.5-15V Output Voltage 24V/50mA Small Size Shell Fireproof Wholesale. Buy Directly From Merchant CDEBYTE IoT Module Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.