Wireless Multi Display Hygrometer

We are offering wireless multi display hygrometer.
Feature:
1. Indoor temperature (ºf or ºc) and humidity
2. Display outdoor temperature and humidity in 8 locations
3. Outdoor(ch 1,2,3) and indoor temperaturehumidity hilow alarm
4. Minmax records of temperature and humidity
5. Temperature and humidity manual calibration
6. Temperature and humidity trends indication
7. Comfort level indication
8. Can receive up to 8 sensors
9.with dip switch to set up and fix 1-8 channels
10.long searching function after communication is lost
11.free standing or hanging
specification:
indoor temperature range :0~60ºc
outdoor temperature range:-40~60ºc
temperature accuracy:±1ºc
humidity range:10%~99%
humidity accuracy:±5%
transmission frequency:433mhz
transmission range:100meter(300feet) in open area
transmission interval: 60 seconds.