1、No dust, no ink, pressure sensitive writing with super clear handwriting, magnetic absorption 2、Desktop calendar LCD handwriting board is a multifunctional assistant. Possess rich features, the date, time, temperature and humidity are clear at a glance. Suitable for schools, offices, homes, etc. 3、You can write your itinerary on the handwriting board of the desk calendar and set the alarm clock to solve the distress that you are easily forget 4、In the home, the product can be used for daily messages, recording things, alarm clock reminders and other life scenarios 5、Suitable for various work scenarios such as calculation work, work memos, group discussions, small blackboards, etc., equipped with a one-click clear function to greatly improve your work efficiency 6、The back support can stand up on desktop, not only beautiful and practical. Handwriting memo support one-click clear and reuse 7、Accurate time display, 12/24 hour system can be switched as needed. Date, week, year can be displayed, alarm clock can be set 8、Real-time accurate display of current temperature and humidity. Temperature can display Celsius or Fahrenheit as customers required 1 x User Manual1 x Type-C Cable1 x Handwriting Board1 x Stylus Item Type: Electronic Calendar Writing BoardMaterial: ABS shellInput Interface: Type-CModel: ZH-10Input: DC5VCD Screen Size: Approx. 103 x 40mm / 4.1 x 1.6inHandwriting Screen Size: Approx. 192 x 146mm / 7.6 x 5.7inTime Accuracy: ±1 Second/dayTemperature Accuracy: 0.1℃Temperature Measurement Range: -50℃-70℃Humidity Accuracy: 1%Humidity Measurement Range: 10%RH-99%RHWorking Voltage: 3VAutomatic Temperature and Humidity Measurement Cycle: 10 SecondsBattery: Lithium battery 402020, 120mAhCharging Time: 90 MinutesHandwriting Board Service Life: >50,000 timesAlarm Time: 1 Minute