Plug and play design, easy to use - two steps to complete Dual relay output - Be to connect with refrigeration and heating equipment at the same time LED Display - Be to show measured temperature and set temperature at the same time Temperature Unit - Supports Centigrade or Fahrenheit Group Control - Create a group to contro ldifferent home devices a tthe same time EOP20 is an easy-to-use, safe and reliable dual relay output temperature controller.It can be used as overtemperature protection and automatic temperature control system for electric appliances such as equipment for home-brew, pet breeding,incubation, seedling heat mats, terrestrial heat control, constant temperature cycle of heating pump, culture fermentation, accelerating germination, electric radiator, electric oven, etc. Name:Digital Temperature Controller Model:EOP20 Power Voltage:AC 220-250V Rated Current:10A Max Temperature measurement Range:-30-105℃ Wireless Frequency: 2.4GHz APP Control: Smart Life APP (Android 5.0/IOS 8.0 or above) Type of temperature probe: R25=10KΩ±1% B25/85=3435K±1% Temperature Accuracy: 1% Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Color:As Shown Material:ABS Package Contents: 1 * Digital Temperature Controller 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.