Electronic room thermostat with radio transmitter

Description: 

Electronic room thermostat with radio transmitter - 868 MHz.
Supply: 2 x 1,5 V alkaline penlight.
ON/OFF function with adjustable differential 
from 0,2 to 2 °C or proportional.
Max. range 120 m in free air.
SUMMER - WINTER control.
Adjustable temperature with 0,1°C steps.
Protection class: IP 30.
Class: I [Ecodesign Directive].