- Quantity: 1<br>- Color: Red<br>- Material: PCB board<br>- Dual-channel detection、 using two thermal resistors to detect high or low temperature range. Automatically constant temperature control<br>- Comparator output drive relay directly、 can be connected to AC 220V devices<br>- With potentiometer to adjust temperature<br>- Dual-channel sensor interface can be connected different sensors、 to control products meet two conditions<br>- With 4 x 3mm installation holes、 easy to use- Working voltage: DC 5V<br>- Two replay output ports can be separately controlled or serial connection、 meet two triggers<br>- Great for DIY project<br><br><br />- Quantity: 1<br>- Color: Blue<br>- Material: PCB board<br>- Dual-channel detection、 using two thermal resistors to detect high or low temperature range. Automatically constant temperature control<br>- Comparator output drive relay directly、 can be connected to AC 220V devices<br>- With potentiometer to adjust temperature<br>- Dual-channel sensor interface can be connected different sensors、 to control products meet two conditions<br>- With 4 x 3mm installation holes、 easy to use- Working voltage: DC 5V<br>- Two replay output ports can be separately controlled or serial connection、 meet two triggers<br>- Great for DIY project<br><br>                                                                                                                                Dimensions: 1.97 in x 1.65 in x 0.75 in (5.0 cm x 4.2 cm x 1.9 cm)<br />Weight: 1.09 oz (31 g)<br /><br />