Inkbird Temp Humidity Data Logger IBS-TH1 PLUG + Wi-Fi Gateway IBS-M1 $79.80 Delivered @ Inkbird eBay

Data logger is bluetooth, If you use it with the wifi gateway M1, it has wifi features. You could check temp and humidity anywhere at any time using phone APP.

WIFI Gateway IBS-M1

Dimensions: 120mmx60mmx15mm/4.72"x2.36"x0.59"
Weight: 63g/2.22oz
Input Voltage: DC 5V, 1000mA
Maximum Bluetooth Connection Distance: 164ft
(the distance will be shorter if there are interferences)
Maximum Wireless Connection Distance: 300ft
(the distance will be shorter if there are interferences)
Wireless transmission frequency: 433Mhz
Maximum 4 equipment at one time
Waterproof Grade: not waterproof
Data Storage: free app storage
Required Network: 2.4GHz
Monthly Fee: None
Compatible Models:IBS-TH1、IBS-TH1 Mini、IBS-TH1 Plus、IBS-P01B、ITH-20R-O、IBS-P01R-O etc.
1 Year Warranty

Data Logger IBS-TH1 PLUS

Specifications
Dimensions:63.5mm*20mm
Weight:75g
Record interval: 10s、30s、1min、2min、5min、10min、30min adjustable
Wireless Range: 50 meters
Temperature Range: -40~60°C
Temperature Accuracy:
Typical: ±0.3°C / ±0.5°F,
Max: ±0.5°C / ±0.9°F
Humidity Range: 0~99%RH
Humidity Accuracy(25°C/77°F,0%~100%RH): Typical: ±4.5%RH,
Max: ±7.5%RH
Warranty: 1 Year

Features

** Free iOS and Android APP to monitor temperature and humidity any time
** APP support multi languages
** A smart phone 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)
** Support screen display
** AAA battery not included
** Can save your history data in your computer or your phone and print it out if you want