Inkbird Temperature Humidity Data Logger Recorder (IBS-TH1 with an External Probe) + WiFi ITC-308 Digital Temperature Controller Thermostat IBS-TH1: Please note:The battery is not included. Product Specifications –Dimensions: 56mmx17mm –Weight: 20g –Battery: AAA Battery (Not included) –Battery Life: 1 Year –Wireless Range: 50 meters –Temperature Range: -40~60°C (Inner sensor)，-40~100°C (External probe) –Temperature Accuracy: Typical: 0.3°C / ±0.5°F, Max: ±0.5°C / ±0.9°F (Inner sensor)，±1°C (External probe) –Humidity Range: 0~99%RH –Humidity Accuracy(25°C/ 77°F, 20%~80%RH): Typical: ±3%RH, Max: ±4.5%RH –Humidity Accuracy(25°C/ 77°F, 0%~100%RH): Typical: ±4.5%RH, Max: ±7.5%RH –Record capacity: 30000 ponits(MAX) –Record interval: 10s、30s、1min、2min、5min、10min、30min adjustable –Magnetic Back: Yes –Warranty: 1 Year Features –Free iOS and Android APP to monitor temperature and humidity any time –APP support multi-languages –A smartphone support limited to 6 sensor connections at one time –Support external probe and data record interval can be adjustable –Support for application scenario selection and addition –Alarm and data history view available –Temperature unit switching (°C /°F) –CR2477 battery included with a maximum battery life of 1 year ITC-308 WIFI Bullet Point： [Remote Operation] You could monitor the temperature and modify the setting values at any time as long as you log in the APP, no matter you’re at work or home. [WIFI & APP] WIFI smart controller supports both IOS & Android，WIFI supports 2.4GHz Wi-Fi router, free APP “InkbirdSmart” which is able to monitor temperature at any time. [Dual Relay Output]Dual relay output, which can connect heating and cooling device at the same time. [Alarm for Safe]High/Low temperature limit setting alarm. [Convenient Design]Plug-n-play, easy to use. Support ℃/℉reading and Temperature calibration. [Long Warranty]The controller itself has 2 years warranty while the temperature sensor has 1 year warranty. Maximum output load: 1100W(110V)/2200W(220V). Feature： –Plug and play design, easy to use. –Support reading with Centigrade or Fahrenheit. –Maximum output load:1100W(110V)/2200W(220V) –Temperature calibration, Compressor delay protection for refrigeration control. –High and low temperature alarms are available. –Dual relay output, be able to connect with refrigeration and heating equipment at the same time. –Dual display window, be able to display measured temperature and set temperature at the same time. –Heating/Cooling differential function could be set separately for refrigeration and heating to protect temperature controller from violent change. –Power: Voltage: 100-230Vac，50/60Hz, Current: 10A, Max Wattage: 1200W(110Vac), 2200W(220Vac) –Type of temperature probe: R25℃=100KΩ±1%, R0℃=26.74~27.83KΩ,B25/85℃=3435K±1% Specification –Temperature measurement range:-40℃ to 100℃/-40℉ to 212℉ –Temperature display accuracy: 0.1℃/℉(=100℃/℉) –Display unit: Celsius or Fahrenheit –Ambient temperature: -20℃~60℃/-4℉~140℉ –Storage environment: temperature:0℃~60℃/32℉~140℉; –humidity: 20~80%RH(Unfrozen or condensation ) –Warranty:Controller:2 years warranty ； –Temperature Probe:1 year warranty Package Included: ❤1 x WIFI ITC-308 Temperature Controller US Plug ❤1 x IBS-TH1 Data Logger ❤1 x Manual (English Version)