Specifications:
Indoor temperature range: 0℃～60℃(14℉～140℉).
Channel 1 and 2 Temperature range: -40℃～60℃(-40℉～140℉)
Transmission range up to 30m (98.4 ft).
Frequency: 433MHz
Temperature test period: 10s.
SENSOR update Rate: 60s
Temperature deviation: 0.1
Wireless Digital Freezer Room Thermometer
Power Supplies: 3 x AAA batteries (not included)
Transmitter
Power Supplies: 4 x AAA batteries (not included)
Package Includes:
1 x Wireless Digital Freezer Room Thermometer
2 x Transmitters
1 x User Manual
Notes:
1. Don't disassemble the product freely.
2. While the indication is blurring, please change the battery.
3. Don't put this product in the place where it is hot, wet, dusty or full of corrosive gas, in case that the electronic components are damaged.
4. It will not alarm at once when temperature exceeds pre-set. It will compare the temperature after 10 minutes.And when temperature reaches alarm value, the thermometer will alarm immediately.
5. Don't install the reverse battery, don't put the receiver near metal.
