1、Plug and play, large LCD display with green backlight, can be operated in a dark environment. 2、Standard heating mode and standard cooling mode, you can switch ℃ / ℉, the temperature range is 0‑60℃ / 32‑140℉. 3、Programmable wireless thermostat, you can set different target temperatures in different time ranges. 4、Easy to learn codes and built‑in control system, support wireless remote, without interference. 5、Clock display can be switched between 12/24hr. When the child lock is used, it will automatically lock if it is not operated for 10 minutes. Item Type: Thermostat Material: ABS Color: White Temperature Range: 0-60℃ / 32-140℉ Temperature Accuracy: ±1℃ /±1.8℉ CURRENT Temperature Resolution: 0.1℃ /℉ TARGET Temperature Resolution: 1℃ /℉ Maximum Range: 20m / 65.6ft in an open area Transmission Frequency: 433.92Mhz Battery Specifications: 2pcs x AA Batteries (Battery Not Included) How to Use: 2. Insert load heating equipment or cooling equipment. 3. Remove battery cover and install 2 x AA batteries (not included), pay attention to the polarity of the batteries, do not install them in reverse, and then close cover. 4. Now, the remote control thermostat transmitter is in standby mode. Only the current temperature and clock are displayed. 5. Press the POWER button to turn on the device and enter the standard heating mode. 6. Press the signal button to send the pairing code. The LED indicator will stop blinking and light up steadily. This means that the pairing was successful. 7. Press the UP/DOWN button to adjust the target temperature setting value. 1 x Thermostat Socket 1 x Controller (Battery Not Included) 1 x Manual