Digital chrono-thermostat with radio transmitter

Description: 

Digital chrono-thermostat with radio transmitter - 868 MHz.
Weekly programmable clock.
Fitted for phone programmer.
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.
2 temperature levels + anti-freeze.
Adjustable temperature with 0,1 °C steps.
Protection class: IP 30.
Class: I-IV [Ecodesign Directive].