Outdoor Clock with AI Smart LED Illumination Sensor Pytha Sight outdoor waterproof clocks 18 inches, feature a built-in light sensor that automatically illuminates when it gets dark. When the surroundings brighten, the lighting deactivates on its own. Choose between Off, Light I, and Light II for various backlight options. Illuminated Thermometer and Hygrometer Sensor Pytha Sight outdoor clock humidity and temperature display automatically lights up in low light.Our outdoor wall clocks waterproof can measure temperatures from -40 F to 140 F ( 3 accuracy) and humidity levels from 1% to 99% relative humidity ( 10% accuracy). Additionally, it supports calibration adjustments after three hours. Unique Design Elements Details The design concept of three-dimensional lines, with interwoven lines, enables the light to create a three-dimensional effect that brings a visual impact.