Programmable digital thermostat XH-W1209 and 12V (6x6cm, rated 0.25A, consumes 0.15A) cooler fan to chill down the heat from fridge radiator at it back. DISADVANTAGE: noisy (unless replaced with low RPM and bigger installed flat at the back); Independent relay. Programmable on-off-on, delay settings, calibration 0.1°C, range settings, display settings. Thermo-sensor placed between the radiator’s…