Features: Made of high quality electronic components, it is solid, durable, good conductivity and good performance, long service life. It can meet the performance requirements of many aspects, so as to ensure the absolute safety of the battery group. With over charge for protection, over discharge for protection, short circuit for protection and over current for protection, it fits for various different shapes of lithium batteries. With low current consumption, stable performance, it suits for many requirements of high integration and low cost. for Protection board only, other accessories demo in the picture is not included! Specifications: Material: Electronic Components + PCB Weight: 7g Size: 28x3mm/1.10x0.11inch Package Includes: 10x BMS for Protection Boards note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.