The Twin Plus boasts a thermometer and hygrometer for those of you who want to keep and eye on humidity levels, as well as temperature. The Twin Plus comes with a seperate wireless outdoor transmitter (pictured) so it can provide humidity and temperature readings from outside.
The wireless transmitter works from up to 30 metres away and is waterproof, allowing you to place it outside all year round.
Press the button on the front of the base unit to switch between displaying the outdoor and indoor readings.
The Twin Plus base unit is for indoor use only, and boasts a frost warning indicator, a comfort humidity indicator, and maximum and minimum temperature memory from the past 24 hours.
Suitable for either wall mounting or table standing.
Note: Requires 4 x 1.5V AAA batteries (not included)