Wireless 8 Channel Freezer Thermometer

We are offering wireless 8 channel freezer thermometer,
features:
1. Indoor temperature (ºf or ºc)
2. Display refrigeratorfreezer temperatures at two locations (ºf or ºc)
3. Temperature hilow alarm(ch1,ch2) (ºf or ºc)
4. Minmax records of temperature
5. Minmax temperature display
6. Temperature manual calibration
7. Can receive up to 8 sensors
8. With dip switch to set up and fix 1-8 channels
9. Toggling display of in and 1-8 channels’ information
10. Long searching function after communication is lost
11.free standing or wall hanging
specification:
indoor temperature range :0~60ºc
outdoor temperature range:-40~60ºc
temperature accuracy:±1ºc
transmission frequency:433mhz
transmission range:100meter(300feet) in open area
transmission interval: 60 seconds.