Buyers should remember: alarm clocks cannot use high-capacity alkaline batteries, please use ordinary carbon batteries, high-capacity batteries are easy to burn the circuit board! Size of the product: 150*62*110MM Product package size: 15.8*6.3*12 CM Product with packing unit weight: 214g Product Description: 1. When using dry batteries, the display screen cannot always be lit. When the light is off, the display screen is black and hard to see. The display screen is always on when power is used. 2. The time has no memory function, and the time needs to be reset after power off. 3. Compared with professional thermometers and hygrometers, there are some errors The weather forecast is for reference only. The display screen faces the person's face and the projection arm rotates upward. rear of the fuselage. The projected font is positive, which means that when the direction of the person's line of sight is the same as that of the projecting arm, it is positive, and vice versa. Ergonomic thinking is designed. When the projection clock is 2 meters away from the receiving wall or ceiling, the projected font height is about 20cm When the projection clock is 6 meters away from the receiving wall or ceiling, the projected font height is about 60cm Features: Plan A (without feed). The battery will consume more power, and the projection and screen will automatically disappear after a few seconds. If you want to see the time, you have to press the top "LIGHT" button again. Plan B (with power): Powered by AC transformer, ordinary mobile phones, projection and screen are always on (no shutdown function), you can directly watch the time without pressing again. The battery and power cannot be used at the same time, otherwise the alarm clock will be damaged High capacity battery will cause alarm discomfort due to high voltage Compared to professional thermometers, there are some errors, the weather forecast is for reference only. The time needs to be reset after a power failure Function: projection function of 180 degree rotation time LCD color display, temperature and humidity display, weather display using silicone buttons, feel better than the original plastic buttons Power: 2 * AAA (not included in delivery) or adapter power supply, the adapter power supply can illuminate the screen for a long time, and the screen resolution is higher 1. Temperature and humidity display 2. According to temperature and humidity parameters. Forecast the current weather condition. Displayed as icons Features LCD color screen, LED backlight Projection time Display of humidity and temperature: automatically detects and displays the current environmental humidity and temperature (Humidity range: 20%RH99%RH; temperature range: 0degC+50degC/32degF122degF) Maximum/minimum temperature and humidity record Alarm/snooze function Tips 1. When using the data cable, the backlight is always on; When using battery, the wake up screen backlight will be on for about 8 seconds and the auto light will turn off. When the product is connected to the data cable, the battery immediately stops supplying power. The product does not have a memory function and needs to be readjusted after a power failure. 2: The sensor is indoor temperature and humidity. The weather forecast is also based on the analysis of indoor temperature and humidity. The data will have errors and is for reference only. 3: Temperature and humidity measurement range: (the measurement will have errors) Temperature: 0-60 (14.2F-140F) Humidity: 20%-99% The product automatically detects temperature and humidity once every 60 seconds or so