The ST313 Wireless Temperature Monitor offers remote measurement up to 20 meters. The transmitter measures once every 5 seconds with a temp range of 25.0C – 43.0C (77.0F – 109.0F).
High and Low user preset temp. alarms , with audible sound when 3 readings exceed the preset limit in 15 seconds. Automatic alarm shutdown with temp reduction. Last transmission memory. 2 x AA batteries in receiver, 1 x 3V CR2032 battery in transmitter – batteries supplied. Comfortable upper arm sensor attachment. Changeable transmitter display – C or F. 12 month guarantee.