[Support One-Click Erasing and Lock Screen]Press the lock button, the written content above will not be lost due to deleted by mistake.Or just need press the erase button at the bottom of the electronic basketball coaching board,all the chaos will disappear without a trace,environment-friendly,Saving more time and to show and discuss strategic direction. [Paperless Design]The doodle board for basketball is made of plastic, add round corner design which has good shock resistance and resistance, Reusable coaching board which can be erased up to 120,000+ times.The LCD board can save lots of paper and pencils. And you don't worry about the marker suddenly running out of ink. It 't hurt your hands and stain clothes without ink,environment-friendly [Widely use and Portable]easy to carry in schoolbags, briefcases, handbags etc,easy to take the basketball coaching board anywhere when you need.The board is widely used in school teaching,basketball team,basketball club to formulate game day strategies, daily training plans, tactical seminars, training guidance, technical exchanges, etc. size: 16 inch Material: ABS colour: Black Package Contents: 1 x Basketball Coaching Board((with pen) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!