This plugin thermostat is easy to use and to program.
There are 4 switching moments and one can program a weekly program with 2 temperatures.
This plugin has a border of the earth.

Input and output voltage: 230V / 50 Hz
Protection class: IP20
Maximum switching capacity: 16A
Hysteresis: 0.5 ° C
Accuracy: ± 1 ° C
Number of adjustable setpoints: 4 pieces
Operating temperature range: 0 ° C to + 40 ° C
Memory / backup: Battery NiMh 2,4 V
Maximum switching capacity: 16A
Warranty 2 years
Colour White
Frost protection: Yes
Measurement temperature: Internal sensor