Temperature transmitter 868 MHZ/IT

For monitoring temperature values around the house at any time and anywhere, ideal for refrigerator, freezer, aquarium, pool and pond, check data via smartphone, also for different users, free app, adjustable alarm limits, push notification in case of alarm, very easy installation, cable length 1 m Range: T: -30…+60°C (-22…+140°F) wall mounting or table standing, 33 (39) x 22 (33) x 87 (92) mm, 31 g 2 x 1,5 V AAA batteries not included, EK-EL