Features: 1. This Is A Breakthrough Hat Board, Specially Customized For / W. 2. It Mainly Solves The Problem Of The For Screen Being Covered, And Provides Pin Header Pins To Facilitate Users To Build Their Own Diy Circuits. At The Same Time, It Can Also Support Access To Other For Hat Boards, Such As: Dockerpi Series Hat Boards, 4-Channel Relay Hat Boards And Sensor Hub Boards, Etc. 3. Easy To Use; Plug And Play With Clear Silk Screen Markings; 4. Compatible With For Hat Board With 40Pin Connector; 5. Note: Please Pay Attention To The Direction Of The 40Pin Connector. Wrong Orientation May Damage Your Device. Description: 1. Size: About 69mm x 134mm 2. Type: Expansion Board Module Kit 3. Material: PCB Color: as shown Package Contents: 1 x Expansion Board Module 1 x String Of Wires 1 Set Of Copper Post Screw Mounting Accessories Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use 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.