Temperature range: -55~125'C; Resolution: 0.5'C; Multi module can connect to three line in parallel up to 8; Working voltage: DC 3~5V; No need extra components; Output: number switching output (0 1); With fixing screw hole (1/2”G)for easy installation; Small PCB size: 3 x 1.6cm. Application: cable temperature test and control in food warehouse freezer etc.; Instrument temperature control of air conditioner cylinder textile machine refrigerator etc. Module interface: VCC: 3.3~5V voltage; GND: connect external GND; DO: output interface Tilt sensor: adopts MEC SW-460D switch high sensitivity used to test angle change of objects