Specification: Product Name: Temperature and Humidity Smart Switch Module Product size: 100x80x35mm/3.94x3.15x1.38inch Temperature Cable size :50x6x6mm/1.969x0.236x0.236inch Product colour: White Package size:100x80x35mm/3.94x3.15x1.38inch Gross Weight:116g/0.26lbs Features: This device can be connected to other smart devices such as humidifiers, air conditioners, infrared remote control and smart lamps. The product is used in wine cellar storage, AMPH-IBIOUS breeding, plant growing light scenarios where high ambient temperature and humidity are required. We have two different heads, a temperature and humidity probe or a temperature probe, to choose from. Dual relay output function, independent control of temperature and humidity, or temperature devices, note that the continuity breaker can o-nly support one probe at a time, please select the temperature and humidity or temperature probe More personalised settings, such as on/off/remember the state before power failure, set the state of the device after power failure and restart in the APP You can SH-ARE the devices with your family and then different people can control it without setting up again. Smart automation and tap to run the switch module for whole house intelligence with other smart devices