Transmitter:
1. LED temperature display: -19.9 ℃~70 ℃ (-3.82 ℉~158 ℉)
2. Temperature unit switchable display: ° C/° F Default display unit: Temperature [℉]
3. LED digital display on/off function
4. RGB ambient light color display: RGB overall change → RGB changes from right to left
→ 7-color cycle → blue → light blue → green → yellow → red → purple → white
5. Countdown function of ambient light: Set the time to: constant light → 60 → 120 →180 → 240 → 360 minutes
6. Wireless transmission distance: The open distance is 100 meters
7. Protection level: IPX8
8. Built in 2200mAh battery
9. Solar charging panel size: 3.0 inches
10. Screen size: 1.57 inches
11. Waterproof TPYE-C charging port
12. Child lock function

Receiver:
Temperature Measurement Range:
1.Receiver Temperature Display Range:-3.8F to 140F (-19.9℃ to 60C).
2.When the temperature is below -3.8F(-19.9°C), "LL.L" will be displayed.
3.When the temperature is above 140°F(60°C), "HH.H" will be displayed.
4.Receiver Humidity Display Range:10%~90%.
5.Display 10% if lower than10%;Display 90% if higher than 90%.
Pool Thermometer Temperature Display Range:-3.8F to 158°F (-19.9℃to 70°C).
6.When the temperature is below -3.8°F (-19.9℃), "LL.L" will be displayed.
7.When the temperature is above 158F (70°C), "HH.H" will be displayed
8.Receiver Backlighting:
9.Press any button to turn on the backlight for 10 seconds.
10.When the power is on, the backlight is always on by default, long press the“:”button to turn off the backlight, then long press the“:”button to turn on.
11. Body material: ABS

Transmitter: Solar powered 3.5-5.5V/TPYE-C charging, built-in 2200mAh battery

Receiver: Powered by 2 * AAA batteries (excluding)/TYPE-C power cord