Supports voltage 7-32V, 85-265V input (only one of the voltage inputs is required to work), WiFi direct connection, equipped with temperature probe, can measure temperature, passive output (dry contact output). support Tuya APP and smart life APP control. Specifications: A: Single temperature (including 2-meter temperature probe) / B: Single temperature (including 1-meter temperature probe) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: White Material: plastic Package Contents: 1 x Temperature Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.