Technical Parameters: Power: AC200-240V 50/60Hz;  Display accuracy: 0.5℃;  Probe sensor: NTC (10K) ±1% at25℃;  Contact capacity: 16A/250V (electric type);  Range of temperature adjustment: 5~35℃;  Limit temperature range: 5~99℃;  Output: Switch relay;  Insulating condition: Normal environment;  Running program: Set per 1 week as a cycle;  Installation: Wall mounted or on battery seat;  Size(mm): 86*86*17;     Thermostat Functions:  1. Memory Function: Memorize all your settings after sudden power-off. When power is on again, you do not need to reset it.   2. Programmable Function: With weekly programmable function. 5+2 or 6+1 or 7 days program is optional.   3. WiFi Enabled: Control from your phone: Monitor and control your heating from anywhere using your phone.  Helps save energy: Work according to programming or phone control, saving energy when you leave.  4. Children Lock: Lock the thermostat to avoid misoperating by Children.  5. Metal Sensor Probe: The metal probe is much more accurate than plastic probe, to be safe and confortable.  6. Insert and external two sensors.  7. Suit for various kinds of electric heating system.  The thermostat is suitable for heating cable, heating mat, heating film and other electric heating devices.  8. Time Display.  Can show the exact time.   9. Easy installation and WiFi connection. Easy to program from unit or with app.  With 2 sensors and 3 modes (internal sensor, external sensor, both internal and external sensor).  Passed CE and ROHS certification. Tested to the highest industry standards.  - Large LCD negative screen backlight display, cool and modernized design.  - Two modes option: manual mode & auto mode.  - Keypad locking function to prevent the children from misusing.  - Frame resistance material, safe and reliable.  - Room temperature display precision is ±0.5°C.  - Room temperature manual calibration function.  - APP supports  Chinese, English, German, French, Spanish, Italian.     Package included: 1 X thermostat.  1 X 3 meters external sensor.  2 X screws