● Detect temperature from normal down to 13°C/5°C (55.4?F/41?F) or from normal rise to 35°C (95?F) will send wireless trigger signal and activate 45 seconds alarm.
● 13°C/5°C (55.4?F/41?F) cold temperature select switch（mid temperature: 13°C (55.4?F)to be used in environment for elderly and ill people; freezing warning 5°C (41?F) for pipe freezing protection).
● Built-in 35°C (95?F) high temperature warning for the elderly, pets and to protect the home
● External temperature detector with 1 meter wire
● Built-in 90dB alarm
● Alarm On/Off switch
● Power On/Off switch
● Test switch
● Battery low indication LED
● 3 AAA size batteries operation (not included)
● Detect temperature accuracy:≤ ±1.5°C
● Temperature detect sampling rate: once a minute
● Battery life ≥1 year
● Wireless signal transmission distance approximately 40~70 meters
● Send wireless trigger signal compatible auto dialer or wireless outdoor siren (526L, 527SL) or alarm receiver (639S,625RX)
